The number 55322
55322 is a composite number with 8 divisors. Its prime factorisation is 2 × 139 × 199. Divisors (8): 1, 2, 139, 199, 278, 398, 27661, 55322.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
55322 has no famous special property in the usual lists (prime, square, cube, triangular, Fibonacci, palindrome, perfect), but it is still a composite number.
- 2
55322 is composite. Its prime factorisation is
- 3
The divisors add up to 84000; without 55322 itself that is 28678, so 55322 is deficient (28678 is less than 55322). Euler's totient φ(55322) = 27324 numbers up to 55322 share no factor with it.
- 4
The digits of 55322 add up to 17, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 47 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55322 = 2 \times 139 \times 199 \]
55322 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 8 |
| Sum of divisors | 84000 |
| Euler totient φ(n) | 27324 |
| Square | 3060523684 |
| Cube | 169314291246248 |
| Square root | 235.206292 |
| Digit sum / digital root | 17 / 8 |
| Collatz steps to 1 | 47 |
| Scientific notation | 5.5322 × |
55322 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand three hundred and twenty-two |
| Binary (base 2) | 1101100000011010 |
| Octal (base 8) | 154032 |
| Hexadecimal (base 16) | D81A |
| Base 3 | 2210212222 |
| As time | 55322 seconds = 15 h 22 min 2 s |
Is 55322 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | Yes (55322 ÷ 2 = 27661) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | 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 2) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 2) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 1) | 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 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 2) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 3) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 2) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55322 a prime number?
No. 55322 = 2 × 139 × 199, so it is divisible by 2.
What are the factors of 55322?
1, 2, 139, 199, 278, 398, 27661, 55322.
What is 55322 in binary?
1101100000011010 (hexadecimal D81A, octal 154032).
What is the square root of 55322?
About 235.2063.
Is 55322 divisible by 3?
No. Its digits add up to 17, which is not a multiple of 3.
What is special about the number 55322?
It is a composite number with 8 divisors.