52056157 has 4 divisors (see below), whose sum is σ = 52466176. Its totient is φ = 51646140.

The previous prime is 52056149. The next prime is 52056163. The reversal of 52056157 is 75165025.

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 52056157 - 2³ = 52056149 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 (52056127) 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, 204819 + ... + 205072.

It is an arithmetic number, because the mean of its divisors is an integer number (13116544).

Almost surely, 2^52056157 is an apocalyptic number.

It is an amenable number.

52056157 is a deficient number, since it is larger than the sum of its proper divisors (410019).

52056157 is a wasteful number, since it uses less digits than its factorization.

52056157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410018.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 52056157 is about 7214.9952875937. The cubic root of 52056157 is about 373.3854305663.

The spelling of 52056157 in words is "fifty-two million, fifty-six thousand, one hundred fifty-seven".