57215496 has 32 divisors (see below), whose sum is σ = 154042560. Its totient is φ = 17604672.

The previous prime is 57215453. The next prime is 57215503. The reversal of 57215496 is 69451275.

It is a super-2 number, since 2×57215496² = 6547225965052032, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 91380 + ... + 92003.

It is an arithmetic number, because the mean of its divisors is an integer number (4813830).

Almost surely, 2^57215496 is an apocalyptic number.

It is an amenable number.

57215496 is an abundant number, since it is smaller than the sum of its proper divisors (96827064).

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

57215496 is a wasteful number, since it uses less digits than its factorization.

57215496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183405 (or 183401 counting only the distinct ones).

The product of its digits is 75600, while the sum is 39.

The square root of 57215496 is about 7564.0925430616. The cubic root of 57215496 is about 385.3344953796.

The spelling of 57215496 in words is "fifty-seven million, two hundred fifteen thousand, four hundred ninety-six".