57216792 has 16 divisors (see below), whose sum is σ = 143042040. Its totient is φ = 19072256.

The previous prime is 57216787. The next prime is 57216799. The reversal of 57216792 is 29761275.

It is a super-2 number, since 2×57216792² = 6547522573542528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57216792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57216799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191993 + ... + 1192040.

Almost surely, 2^57216792 is an apocalyptic number.

It is an amenable number.

57216792 is an abundant number, since it is smaller than the sum of its proper divisors (85825248).

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

57216792 is a wasteful number, since it uses less digits than its factorization.

57216792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384042 (or 2384038 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 57216792 is about 7564.1782104866. The cubic root of 57216792 is about 385.3374047880.

The spelling of 57216792 in words is "fifty-seven million, two hundred sixteen thousand, seven hundred ninety-two".