52257 has 4 divisors (see below), whose sum is σ = 69680. Its totient is φ = 34836.

The previous prime is 52253. The next prime is 52259. The reversal of 52257 is 75225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52257 - 2² = 52253 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (52253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8707 + ... + 8712.

It is an arithmetic number, because the mean of its divisors is an integer number (17420).

2⁵²²⁵⁷ is an apocalyptic number.

It is an amenable number.

52257 is a deficient number, since it is larger than the sum of its proper divisors (17423).

52257 is a wasteful number, since it uses less digits than its factorization.

52257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17422.

The product of its digits is 700, while the sum is 21.

The square root of 52257 is about 228.5979002528. The cubic root of 52257 is about 37.3865012720.

The spelling of 52257 in words is "fifty-two thousand, two hundred fifty-seven".