The number 55310
55310 is a composite number with 8 divisors. Its prime factorisation is 2 × 5 × 5531. Divisors (8): 1, 2, 5, 10, 5531, 11062, 27655, 55310.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55310 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55310 is composite. Its prime factorisation is
- 3
The divisors add up to 99576; without 55310 itself that is 44266, so 55310 is deficient (44266 is less than 55310). Euler's totient φ(55310) = 22120 numbers up to 55310 share no factor with it.
- 4
The digits of 55310 add up to 14, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 91 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55310 = 2 \times 5 \times 5531 \]
55310 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 99576 |
| Euler totient φ(n) | 22120 |
| Square | 3059196100 |
| Cube | 169204136291000 |
| Square root | 235.180782 |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 91 |
| Scientific notation | 5.531 × |
55310 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand three hundred and ten |
| Binary (base 2) | 1101100000001110 |
| Octal (base 8) | 154016 |
| Hexadecimal (base 16) | D80E |
| Base 3 | 2210212112 |
| As time | 55310 seconds = 15 h 21 min 50 s |
Is 55310 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (55310 ÷ 2 = 27655) | 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 | No (remainder 2) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | Yes (55310 ÷ 5 = 11062) | 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 3) | 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 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | Yes (55310 ÷ 10 = 5531) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 2) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55310 a prime number?
No. 55310 = 2 × 5 × 5531, so it is divisible by 2.
What are the factors of 55310?
1, 2, 5, 10, 5531, 11062, 27655, 55310.
What is 55310 in binary?
1101100000001110 (hexadecimal D80E, octal 154016).
What is the square root of 55310?
About 235.1808.
Is 55310 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 55310?
It is a composite number with 8 divisors.