The number 55675
55675 is a composite number with 12 divisors. Its prime factorisation is × 17 × 131. Divisors (12): 1, 5, 17, 25, 85, 131, 425, 655, 2227, 3275, 11135, 55675.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55675 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55675 is composite. Its prime factorisation is
- 3
The divisors add up to 73656; without 55675 itself that is 17981, so 55675 is deficient (17981 is less than 55675). Euler's totient φ(55675) = 41600 numbers up to 55675 share no factor with it.
- 4
The digits of 55675 add up to 28, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 153 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55675 = 5^{2} \times 17 \times 131 \]55675 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 73656 |
| Euler totient φ(n) | 41600 |
| Square | 3099705625 |
| Cube | 172576110671875 |
| Square root | 235.955504 (= 5√2227) |
| Digit sum / digital root | 28 / 1 |
| Collatz steps to 1 | 153 |
| Scientific notation | 5.5675 × |
55675 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand six hundred and seventy-five |
| Binary (base 2) | 1101100101111011 |
| Octal (base 8) | 154573 |
| Hexadecimal (base 16) | D97B |
| Base 3 | 2211101001 |
| As time | 55675 seconds = 15 h 27 min 55 s |
Is 55675 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 1) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (55675 ÷ 5 = 11135) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 1) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 5) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55675 a prime number?
No. 55675 = × 17 × 131, so it is divisible by 5.
What are the factors of 55675?
1, 5, 17, 25, 85, 131, 425, 655, 2227, 3275, 11135, 55675.
What is 55675 in binary?
1101100101111011 (hexadecimal D97B, octal 154573).
What is the square root of 55675?
About 235.9555, exactly 5√2227.
Is 55675 divisible by 3?
No. Its digits add up to 28, which is not a multiple of 3.
What is special about the number 55675?
It is a composite number with 12 divisors.