57162402 has 32 divisors (see below), whose sum is σ = 138576960. Its totient is φ = 17321760.

The previous prime is 57162379. The next prime is 57162421. The reversal of 57162402 is 20426175.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 47523 + ... + 48710.

It is an arithmetic number, because the mean of its divisors is an integer number (4330530).

Almost surely, 2^57162402 is an apocalyptic number.

57162402 is an abundant number, since it is smaller than the sum of its proper divisors (81414558).

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

57162402 is a wasteful number, since it uses less digits than its factorization.

57162402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96255 (or 96249 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 57162402 is about 7560.5821204455. The cubic root of 57162402 is about 385.2152661335.

Adding to 57162402 its reverse (20426175), we get a palindrome (77588577).

It can be divided in two parts, 5716 and 2402, that added together give a palindrome (8118).

The spelling of 57162402 in words is "fifty-seven million, one hundred sixty-two thousand, four hundred two".