The number 55876
55876 is a composite number with 12 divisors. Its prime factorisation is × 61 × 229. Divisors (12): 1, 2, 4, 61, 122, 229, 244, 458, 916, 13969, 27938, 55876.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55876 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55876 is composite. Its prime factorisation is
- 3
The divisors add up to 99820; without 55876 itself that is 43944, so 55876 is deficient (43944 is less than 55876). Euler's totient φ(55876) = 27360 numbers up to 55876 share no factor with it.
- 4
The digits of 55876 add up to 31, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 109 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55876 = 2^{2} \times 61 \times 229 \]55876 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 12 |
| Sum of divisors | 99820 |
| Euler totient φ(n) | 27360 |
| Square | 3122127376 |
| Cube | 174451989261376 |
| Square root | 236.381048 (= 2√13969) |
| Digit sum / digital root | 31 / 4 |
| Collatz steps to 1 | 109 |
| Scientific notation | 5.5876 × |
55876 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand eight hundred and seventy-six |
| Binary (base 2) | 1101101001000100 |
| Octal (base 8) | 155104 |
| Hexadecimal (base 16) | DA44 |
| Base 3 | 2211122111 |
| As time | 55876 seconds = 15 h 31 min 16 s |
Is 55876 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (55876 ÷ 2 = 27938) | 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 | Yes (55876 ÷ 4 = 13969) | 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 | 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 4) | 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 7) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 4) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55876 a prime number?
No. 55876 = × 61 × 229, so it is divisible by 2.
What are the factors of 55876?
1, 2, 4, 61, 122, 229, 244, 458, 916, 13969, 27938, 55876.
What is 55876 in binary?
1101101001000100 (hexadecimal DA44, octal 155104).
What is the square root of 55876?
About 236.3810, exactly 2√13969.
Is 55876 divisible by 3?
No. Its digits add up to 31, which is not a multiple of 3.
What is special about the number 55876?
It is a composite number with 12 divisors.