The number 55237
55237 is a composite number with 8 divisors. Its prime factorisation is 7 × 13 × 607. Divisors (8): 1, 7, 13, 91, 607, 4249, 7891, 55237.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55237 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55237 is composite. Its prime factorisation is
- 3
The divisors add up to 68096; without 55237 itself that is 12859, so 55237 is deficient (12859 is less than 55237). Euler's totient φ(55237) = 43632 numbers up to 55237 share no factor with it.
- 4
The digits of 55237 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 47 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55237 = 7 \times 13 \times 607 \]
55237 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 68096 |
| Euler totient φ(n) | 43632 |
| Square | 3051126169 |
| Cube | 168535056197053 |
| Square root | 235.025531 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 47 |
| Scientific notation | 5.5237 × |
55237 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand two hundred and thirty-seven |
| Binary (base 2) | 1101011111000101 |
| Octal (base 8) | 153705 |
| Hexadecimal (base 16) | D7C5 |
| Base 3 | 2210202211 |
| As time | 55237 seconds = 15 h 20 min 37 s |
Is 55237 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 1) | 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 1) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (55237 ÷ 7 = 7891) | 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 5) | 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 7) | 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 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55237 a prime number?
No. 55237 = 7 × 13 × 607, so it is divisible by 7.
What are the factors of 55237?
1, 7, 13, 91, 607, 4249, 7891, 55237.
What is 55237 in binary?
1101011111000101 (hexadecimal D7C5, octal 153705).
What is the square root of 55237?
About 235.0255.
Is 55237 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 55237?
It is a composite number with 8 divisors.