The number 55446
55446 is a composite number with 8 divisors. Its prime factorisation is 2 × 3 × 9241. Divisors (8): 1, 2, 3, 6, 9241, 18482, 27723, 55446.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55446 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55446 is composite. Its prime factorisation is
- 3
The divisors add up to 110904; without 55446 itself that is 55458, so 55446 is abundant (55458 is more than 55446). Euler's totient φ(55446) = 18480 numbers up to 55446 share no factor with it.
- 4
The digits of 55446 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 153 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55446 = 2 \times 3 \times 9241 \]
55446 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 110904 |
| Euler totient φ(n) | 18480 |
| Square | 3074258916 |
| Cube | 170455359856536 |
| Square root | 235.469743 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 153 |
| Scientific notation | 5.5446 × |
55446 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand four hundred and forty-six |
| Binary (base 2) | 1101100010010110 |
| Octal (base 8) | 154226 |
| Hexadecimal (base 16) | D896 |
| Base 3 | 2211001120 |
| As time | 55446 seconds = 15 h 24 min 6 s |
Is 55446 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (55446 ÷ 2 = 27723) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (55446 ÷ 3 = 18482) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (55446 ÷ 6 = 9241) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 6) | 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 | No (remainder 6) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 6) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 6) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 6) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 6) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55446 a prime number?
No. 55446 = 2 × 3 × 9241, so it is divisible by 2.
What are the factors of 55446?
1, 2, 3, 6, 9241, 18482, 27723, 55446.
What is 55446 in binary?
1101100010010110 (hexadecimal D896, octal 154226).
What is the square root of 55446?
About 235.4697.
Is 55446 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 55446?
It is a composite number with 8 divisors.