The number 55494
55494 is a composite number with 12 divisors. Its prime factorisation is 2 × × 3083. Divisors (12): 1, 2, 3, 6, 9, 18, 3083, 6166, 9249, 18498, 27747, 55494.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55494 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55494 is composite. Its prime factorisation is
- 3
The divisors add up to 120276; without 55494 itself that is 64782, so 55494 is abundant (64782 is more than 55494). Euler's totient φ(55494) = 18492 numbers up to 55494 share no factor with it.
- 4
The digits of 55494 add up to 27, and repeating that until one digit is left gives the digital root 9. The Collatz sequence (halve if even, else 3n+1) takes 184 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55494 = 2 \times 3^{2} \times 3083 \]55494 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 120276 |
| Euler totient φ(n) | 18492 |
| Square | 3079584036 |
| Cube | 170898436493784 |
| Square root | 235.571645 (= 3√6166) |
| Digit sum / digital root | 27 / 9 |
| Collatz steps to 1 | 184 |
| Scientific notation | 5.5494 × |
55494 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand four hundred and ninety-four |
| Binary (base 2) | 1101100011000110 |
| Octal (base 8) | 154306 |
| Hexadecimal (base 16) | D8C6 |
| Base 3 | 2211010100 |
| As time | 55494 seconds = 15 h 24 min 54 s |
Is 55494 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (55494 ÷ 2 = 27747) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | Yes (55494 ÷ 3 = 18498) | 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 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | Yes (55494 ÷ 6 = 9249) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 5) | 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 | Yes (55494 ÷ 9 = 6166) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 4) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 10) | 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 55494 a prime number?
No. 55494 = 2 × × 3083, so it is divisible by 2.
What are the factors of 55494?
1, 2, 3, 6, 9, 18, 3083, 6166, 9249, 18498, 27747, 55494.
What is 55494 in binary?
1101100011000110 (hexadecimal D8C6, octal 154306).
What is the square root of 55494?
About 235.5716, exactly 3√6166.
Is 55494 divisible by 3?
Yes. Its digits add up to 27, a multiple of 3.
What is special about the number 55494?
It is a composite number with 12 divisors.