57456402 has 32 divisors (see below), whose sum is σ = 117194688. Its totient is φ = 18775296.

The previous prime is 57456397. The next prime is 57456431. The reversal of 57456402 is 20465475.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101773 + ... + 102335.

It is an arithmetic number, because the mean of its divisors is an integer number (3662334).

Almost surely, 2^57456402 is an apocalyptic number.

57456402 is an abundant number, since it is smaller than the sum of its proper divisors (59738286).

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

57456402 is a wasteful number, since it uses less digits than its factorization.

57456402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 57456402 is about 7580.0001319261. Note that the first 3 decimals coincide. The cubic root of 57456402 is about 385.8745554227.

The spelling of 57456402 in words is "fifty-seven million, four hundred fifty-six thousand, four hundred two".