The number 55699
55699 is a composite number with 8 divisors. Its prime factorisation is 7 × 73 × 109. Divisors (8): 1, 7, 73, 109, 511, 763, 7957, 55699.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55699 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55699 is composite. Its prime factorisation is
- 3
The divisors add up to 65120; without 55699 itself that is 9421, so 55699 is deficient (9421 is less than 55699). Euler's totient φ(55699) = 46656 numbers up to 55699 share no factor with it.
- 4
The digits of 55699 add up to 34, and repeating that until one digit is left gives the digital root 7. The Collatz sequence (halve if even, else 3n+1) takes 65 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55699 = 7 \times 73 \times 109 \]
55699 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 65120 |
| Euler totient φ(n) | 46656 |
| Square | 3102378601 |
| Cube | 172799385697099 |
| Square root | 236.006356 |
| Digit sum / digital root | 34 / 7 |
| Collatz steps to 1 | 65 |
| Scientific notation | 5.5699 × |
55699 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand six hundred and ninety-nine |
| Binary (base 2) | 1101100110010011 |
| Octal (base 8) | 154623 |
| Hexadecimal (base 16) | D993 |
| Base 3 | 2211101221 |
| As time | 55699 seconds = 15 h 28 min 19 s |
Is 55699 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 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 4) | 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 (55699 ÷ 7 = 7957) | 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 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 7) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 9) | 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 7) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55699 a prime number?
No. 55699 = 7 × 73 × 109, so it is divisible by 7.
What are the factors of 55699?
1, 7, 73, 109, 511, 763, 7957, 55699.
What is 55699 in binary?
1101100110010011 (hexadecimal D993, octal 154623).
What is the square root of 55699?
About 236.0064.
Is 55699 divisible by 3?
No. Its digits add up to 34, which is not a multiple of 3.
What is special about the number 55699?
It is a composite number with 8 divisors.