The number 53501
53501 is a composite number with 4 divisors. Its prime factorisation is 7 × 7643. Divisors (4): 1, 7, 7643, 53501.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 53501: a semiprime: 7 × 7643, the product of two primes.
- 2
53501 is composite. Its prime factorisation is
- 3
The divisors add up to 61152; without 53501 itself that is 7651, so 53501 is deficient (7651 is less than 53501). Euler's totient φ(53501) = 45852 numbers up to 53501 share no factor with it.
- 4
The digits of 53501 add up to 14, and repeating that until one digit is left gives the digital root 5. The Collatz sequence (halve if even, else 3n+1) takes 52 steps to reach 1.
LaTeX source of the formulas on this page
\[ 53501 = 7 \times 7643 \]
53501 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 61152 |
| Euler totient φ(n) | 45852 |
| Square | 2862357001 |
| Cube | 153138961910501 |
| Square root | 231.302832 |
| Digit sum / digital root | 14 / 5 |
| Collatz steps to 1 | 52 |
| Scientific notation | 5.3501 × |
53501 in other forms
| Form | Value |
|---|---|
| In words | fifty-three thousand five hundred and one |
| Binary (base 2) | 1101000011111101 |
| Octal (base 8) | 150375 |
| Hexadecimal (base 16) | D0FD |
| Base 3 | 2201101112 |
| As time | 53501 seconds = 14 h 51 min 41 s |
Is 53501 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 1) | 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 (53501 ÷ 7 = 7643) | 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 5) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 1) | 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 53501 a prime number?
No. 53501 = 7 × 7643, so it is divisible by 7.
What are the factors of 53501?
1, 7, 7643, 53501.
What is 53501 in binary?
1101000011111101 (hexadecimal D0FD, octal 150375).
What is the square root of 53501?
About 231.3028.
Is 53501 divisible by 3?
No. Its digits add up to 14, which is not a multiple of 3.
What is special about the number 53501?
53501 is a semiprime: 7 × 7643, the product of two primes.