The number 55349
55349 is a composite number with 4 divisors. Its prime factorisation is 7 × 7907. Divisors (4): 1, 7, 7907, 55349.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 55349: a semiprime: 7 × 7907, the product of two primes.
- 2
55349 is composite. Its prime factorisation is
- 3
The divisors add up to 63264; without 55349 itself that is 7915, so 55349 is deficient (7915 is less than 55349). Euler's totient φ(55349) = 47436 numbers up to 55349 share no factor with it.
- 4
The digits of 55349 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 109 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55349 = 7 \times 7907 \]
55349 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 63264 |
| Euler totient φ(n) | 47436 |
| Square | 3063511801 |
| Cube | 169562314673549 |
| Square root | 235.263682 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 109 |
| Scientific notation | 5.5349 × |
55349 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand three hundred and forty-nine |
| Binary (base 2) | 1101100000110101 |
| Octal (base 8) | 154065 |
| Hexadecimal (base 16) | D835 |
| Base 3 | 2210220222 |
| As time | 55349 seconds = 15 h 22 min 29 s |
Is 55349 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 2) | 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 4) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | Yes (55349 ÷ 7 = 7907) | 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 8) | 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 8) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 5) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55349 a prime number?
No. 55349 = 7 × 7907, so it is divisible by 7.
What are the factors of 55349?
1, 7, 7907, 55349.
What is 55349 in binary?
1101100000110101 (hexadecimal D835, octal 154065).
What is the square root of 55349?
About 235.2637.
Is 55349 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 55349?
55349 is a semiprime: 7 × 7907, the product of two primes.