57057474 has 32 divisors (see below), whose sum is σ = 123647040. Its totient is φ = 17482752.

The previous prime is 57057463. The next prime is 57057487. The reversal of 57057474 is 47475075.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2119 + ... + 10890.

It is an arithmetic number, because the mean of its divisors is an integer number (3863970).

Almost surely, 2^57057474 is an apocalyptic number.

57057474 is an abundant number, since it is smaller than the sum of its proper divisors (66589566).

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

57057474 is a wasteful number, since it uses less digits than its factorization.

57057474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13074.

The product of its (nonzero) digits is 137200, while the sum is 39.

The square root of 57057474 is about 7553.6397848984. The cubic root of 57057474 is about 384.9794198253.

The spelling of 57057474 in words is "fifty-seven million, fifty-seven thousand, four hundred seventy-four".