52157874 has 16 divisors (see below), whose sum is σ = 106535808. Its totient is φ = 17015952.

The previous prime is 52157851. The next prime is 52157891. The reversal of 52157874 is 47875125.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92197 + ... + 92760.

It is an arithmetic number, because the mean of its divisors is an integer number (6658488).

Almost surely, 2^52157874 is an apocalyptic number.

52157874 is an abundant number, since it is smaller than the sum of its proper divisors (54377934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52157874 is a wasteful number, since it uses less digits than its factorization.

52157874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185009.

The product of its digits is 78400, while the sum is 39.

The square root of 52157874 is about 7222.0408472952. The cubic root of 52157874 is about 373.6284689670.

The spelling of 52157874 in words is "fifty-two million, one hundred fifty-seven thousand, eight hundred seventy-four".