The number 55358
55358 is a composite number with 8 divisors. Its prime factorisation is 2 × 89 × 311. Divisors (8): 1, 2, 89, 178, 311, 622, 27679, 55358.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55358 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55358 is composite. Its prime factorisation is
- 3
The divisors add up to 84240; without 55358 itself that is 28882, so 55358 is deficient (28882 is less than 55358). Euler's totient φ(55358) = 27280 numbers up to 55358 share no factor with it.
- 4
The digits of 55358 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 91 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55358 = 2 \times 89 \times 311 \]
55358 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 84240 |
| Euler totient φ(n) | 27280 |
| Square | 3064508164 |
| Cube | 169645042942712 |
| Square root | 235.282809 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 91 |
| Scientific notation | 5.5358 × |
55358 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand three hundred and fifty-eight |
| Binary (base 2) | 1101100000111110 |
| Octal (base 8) | 154076 |
| Hexadecimal (base 16) | D83E |
| Base 3 | 2210221022 |
| As time | 55358 seconds = 15 h 22 min 38 s |
Is 55358 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (55358 ÷ 2 = 27679) | 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 | No (remainder 3) | 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 2) | 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 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 8) | 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 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55358 a prime number?
No. 55358 = 2 × 89 × 311, so it is divisible by 2.
What are the factors of 55358?
1, 2, 89, 178, 311, 622, 27679, 55358.
What is 55358 in binary?
1101100000111110 (hexadecimal D83E, octal 154076).
What is the square root of 55358?
About 235.2828.
Is 55358 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 55358?
It is a composite number with 8 divisors.