The number 55273
55273 is a composite number with 4 divisors. Its prime factorisation is 31 × 1783. Divisors (4): 1, 31, 1783, 55273.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 55273: a semiprime: 31 × 1783, the product of two primes.
- 2
55273 is composite. Its prime factorisation is
- 3
The divisors add up to 57088; without 55273 itself that is 1815, so 55273 is deficient (1815 is less than 55273). Euler's totient φ(55273) = 53460 numbers up to 55273 share no factor with it.
- 4
The digits of 55273 add up to 22, and repeating that until one digit is left gives the digital root 4. The Collatz sequence (halve if even, else 3n+1) takes 184 steps to reach 1.
LaTeX source of the formulas on this page
\[ 55273 = 31 \times 1783 \]
55273 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 57088 |
| Euler totient φ(n) | 53460 |
| Square | 3055104529 |
| Cube | 168864792631417 |
| Square root | 235.102105 |
| Digit sum / digital root | 22 / 4 |
| Collatz steps to 1 | 184 |
| Scientific notation | 5.5273 × |
55273 in other forms
| Form | Value |
|---|---|
| In words | fifty-five thousand two hundred and seventy-three |
| Binary (base 2) | 1101011111101001 |
| Octal (base 8) | 153751 |
| Hexadecimal (base 16) | D7E9 |
| Base 3 | 2210211011 |
| As time | 55273 seconds = 15 h 21 min 13 s |
Is 55273 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 1) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 3) | 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 | 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 1) | 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 3) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 9) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 1) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 55273 a prime number?
No. 55273 = 31 × 1783, so it is divisible by 31.
What are the factors of 55273?
1, 31, 1783, 55273.
What is 55273 in binary?
1101011111101001 (hexadecimal D7E9, octal 153751).
What is the square root of 55273?
About 235.1021.
Is 55273 divisible by 3?
No. Its digits add up to 22, which is not a multiple of 3.
What is special about the number 55273?
55273 is a semiprime: 31 × 1783, the product of two primes.