57390960 has 80 divisors (see below), whose sum is σ = 194094720. Its totient is φ = 13912320.

The previous prime is 57390943. The next prime is 57390961. The reversal of 57390960 is 6909375.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57390961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8230 + ... + 13509.

It is an arithmetic number, because the mean of its divisors is an integer number (2426184).

Almost surely, 2^57390960 is an apocalyptic number.

It is an amenable number.

57390960 is an abundant number, since it is smaller than the sum of its proper divisors (136703760).

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

57390960 is a wasteful number, since it uses less digits than its factorization.

57390960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21766 (or 21760 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 57390960 is about 7575.6821475033. The cubic root of 57390960 is about 385.7279979448.

The spelling of 57390960 in words is "fifty-seven million, three hundred ninety thousand, nine hundred sixty".