The number 55448
55448 is a composite number with 16 divisors. Its prime factorisation is × 29 × 239. Divisors (16): 1, 2, 4, 8, 29, 58, 116, 232, 239, 478, 956, 1912, 6931, 13862, 27724, 55448.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55448 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55448 is composite. Its prime factorisation is
- 3
The divisors add up to 108000; without 55448 itself that is 52552, so 55448 is deficient (52552 is less than 55448). Euler's totient φ(55448) = 26656 numbers up to 55448 share no factor with it.
- 4
The digits of 55448 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 153 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55448 = 2^{3} \times 29 \times 239 \]55448 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 108000 |
| Euler totient φ(n) | 26656 |
| Square | 3074480704 |
| Cube | 170473806075392 |
| Square root | 235.473990 (= 2√13862) |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 153 |
| Scientific notation | 5.5448 × |
55448 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand four hundred and forty-eight |
| Binary (base 2) | 1101100010011000 |
| Octal (base 8) | 154230 |
| Hexadecimal (base 16) | D898 |
| Base 3 | 2211001122 |
| As time | 55448 seconds = 15 h 24 min 8 s |
Is 55448 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (55448 ÷ 2 = 27724) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | Yes (55448 ÷ 4 = 13862) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | Yes (55448 ÷ 8 = 6931) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 8) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55448 a prime number?
No. 55448 = × 29 × 239, so it is divisible by 2.
What are the factors of 55448?
1, 2, 4, 8, 29, 58, 116, 232, 239, 478, 956, 1912, 6931, 13862, 27724, 55448.
What is 55448 in binary?
1101100010011000 (hexadecimal D898, octal 154230).
What is the square root of 55448?
About 235.4740, exactly 2√13862.
Is 55448 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 55448?
It is a composite number with 16 divisors.