52157 has 4 divisors (see below), whose sum is σ = 59616. Its totient is φ = 44700.

The previous prime is 52153. The next prime is 52163. The reversal of 52157 is 75125.

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 a cyclic number.

It is not a de Polignac number, because 52157 - 2² = 52153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3719 + ... + 3732.

It is an arithmetic number, because the mean of its divisors is an integer number (14904).

2⁵²¹⁵⁷ is an apocalyptic number.

It is an amenable number.

52157 is a deficient number, since it is larger than the sum of its proper divisors (7459).

52157 is an equidigital number, since it uses as much as digits as its factorization.

52157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7458.

The product of its digits is 350, while the sum is 20.

The square root of 52157 is about 228.3790708449. The cubic root of 52157 is about 37.3626382014.

The spelling of 52157 in words is "fifty-two thousand, one hundred fifty-seven".