57080388 has 24 divisors (see below), whose sum is σ = 138979008. Its totient is φ = 18199456.

The previous prime is 57080383. The next prime is 57080399. The reversal of 57080388 is 88308075.

It is not an unprimeable number, because it can be changed into a prime (57080383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103131 + ... + 103682.

It is an arithmetic number, because the mean of its divisors is an integer number (5790792).

Almost surely, 2^57080388 is an apocalyptic number.

It is an amenable number.

57080388 is an abundant number, since it is smaller than the sum of its proper divisors (81898620).

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

57080388 is a wasteful number, since it uses less digits than its factorization.

57080388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206843 (or 206841 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 57080388 is about 7555.1563848805. The cubic root of 57080388 is about 385.0309482065.

The spelling of 57080388 in words is "fifty-seven million, eighty thousand, three hundred eighty-eight".