The number 55426
55426 is a composite number with 16 divisors. Its prime factorisation is 2 × 7 × 37 × 107. Divisors (16): 1, 2, 7, 14, 37, 74, 107, 214, 259, 518, 749, 1498, 3959, 7918, 27713, 55426.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55426 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55426 is composite. Its prime factorisation is
- 3
The divisors add up to 98496; without 55426 itself that is 43070, so 55426 is deficient (43070 is less than 55426). Euler's totient φ(55426) = 22896 numbers up to 55426 share no factor with it.
- 4
The digits of 55426 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 153 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55426 = 2 \times 7 \times 37 \times 107 \]
55426 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 16 |
| Sum of divisors | 98496 |
| Euler totient φ(n) | 22896 |
| Square | 3072041476 |
| Cube | 170270970848776 |
| Square root | 235.427271 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 153 |
| Scientific notation | 5.5426 × |
55426 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand four hundred and twenty-six |
| Binary (base 2) | 1101100010000010 |
| Octal (base 8) | 154202 |
| Hexadecimal (base 16) | D882 |
| Base 3 | 2211000211 |
| As time | 55426 seconds = 15 h 23 min 46 s |
Is 55426 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (55426 ÷ 2 = 27713) | 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 1) | 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 | Yes (55426 ÷ 7 = 7918) | 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 4) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 6) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 8) | 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 55426 a prime number?
No. 55426 = 2 × 7 × 37 × 107, so it is divisible by 2.
What are the factors of 55426?
1, 2, 7, 14, 37, 74, 107, 214, 259, 518, 749, 1498, 3959, 7918, 27713, 55426.
What is 55426 in binary?
1101100010000010 (hexadecimal D882, octal 154202).
What is the square root of 55426?
About 235.4273.
Is 55426 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 55426?
It is a composite number with 16 divisors.