The number 55522
55522 is a composite number with 16 divisors. Its prime factorisation is 2 × 17 × 23 × 71. Divisors (16): 1, 2, 17, 23, 34, 46, 71, 142, 391, 782, 1207, 1633, 2414, 3266, 27761, 55522.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55522 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55522 is composite. Its prime factorisation is
- 3
The divisors add up to 93312; without 55522 itself that is 37790, so 55522 is deficient (37790 is less than 55522). Euler's totient φ(55522) = 24640 numbers up to 55522 share no factor with it.
- 4
The digits of 55522 add up to 19, and repeating that until one digit is left gives the digital root 1. The Collatz sequence (halve if even, else 3n+1) takes 34 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55522 = 2 \times 17 \times 23 \times 71 \]
55522 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 93312 |
| Euler totient φ(n) | 24640 |
| Square | 3082692484 |
| Cube | 171157252096648 |
| Square root | 235.631068 |
| Digit sum / digital root | 19 / 1 |
| Collatz steps to 1 | 34 |
| Scientific notation | 5.5522 × |
55522 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand five hundred and twenty-two |
| Binary (base 2) | 1101100011100010 |
| Octal (base 8) | 154342 |
| Hexadecimal (base 16) | D8E2 |
| Base 3 | 2211011101 |
| As time | 55522 seconds = 15 h 25 min 22 s |
Is 55522 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (55522 ÷ 2 = 27761) | 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 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 4) | 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 2) | 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 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 5) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 10) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55522 a prime number?
No. 55522 = 2 × 17 × 23 × 71, so it is divisible by 2.
What are the factors of 55522?
1, 2, 17, 23, 34, 46, 71, 142, 391, 782, 1207, 1633, 2414, 3266, 27761, 55522.
What is 55522 in binary?
1101100011100010 (hexadecimal D8E2, octal 154342).
What is the square root of 55522?
About 235.6311.
Is 55522 divisible by 3?
No. Its digits add up to 19, which is not a multiple of 3.
What is special about the number 55522?
It is a composite number with 16 divisors.