The number 55437
55437 is a composite number with 8 divisors. Its prime factorisation is 3 × 17 × 1087. Divisors (8): 1, 3, 17, 51, 1087, 3261, 18479, 55437.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55437 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55437 is composite. Its prime factorisation is
- 3
The divisors add up to 78336; without 55437 itself that is 22899, so 55437 is deficient (22899 is less than 55437). Euler's totient φ(55437) = 34752 numbers up to 55437 share no factor with it.
- 4
The digits of 55437 add up to 24, and repeating that until one digit is left gives the digital root 6. The Collatz sequence (halve if even, else 3n+1) takes 153 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55437 = 3 \times 17 \times 1087 \]
55437 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 78336 |
| Euler totient φ(n) | 34752 |
| Square | 3073260969 |
| Cube | 170372368338453 |
| Square root | 235.450632 |
| Digit sum / digital root | 24 / 6 |
| Collatz steps to 1 | 153 |
| Scientific notation | 5.5437 × |
55437 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand four hundred and thirty-seven |
| Binary (base 2) | 1101100010001101 |
| Octal (base 8) | 154215 |
| Hexadecimal (base 16) | D88D |
| Base 3 | 2211001020 |
| As time | 55437 seconds = 15 h 23 min 57 s |
Is 55437 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 | Yes (55437 ÷ 3 = 18479) | 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 3) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 4) | 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 6) | 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 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 9) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55437 a prime number?
No. 55437 = 3 × 17 × 1087, so it is divisible by 3.
What are the factors of 55437?
1, 3, 17, 51, 1087, 3261, 18479, 55437.
What is 55437 in binary?
1101100010001101 (hexadecimal D88D, octal 154215).
What is the square root of 55437?
About 235.4506.
Is 55437 divisible by 3?
Yes. Its digits add up to 24, a multiple of 3.
What is special about the number 55437?
It is a composite number with 8 divisors.