57404830 has 32 divisors (see below), whose sum is σ = 120325824. Its totient is φ = 19309056.

The previous prime is 57404827. The next prime is 57404873. The reversal of 57404830 is 3840475.

It is a junction number, because it is equal to n+sod(n) for n = 57404792 and 57404801.

It is a congruent number.

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, 4027 + ... + 11446.

It is an arithmetic number, because the mean of its divisors is an integer number (3760182).

Almost surely, 2^57404830 is an apocalyptic number.

57404830 is an abundant number, since it is smaller than the sum of its proper divisors (62920994).

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

57404830 is a wasteful number, since it uses less digits than its factorization.

57404830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15540.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 57404830 is about 7576.5975213152. The cubic root of 57404830 is about 385.7590691356.

The spelling of 57404830 in words is "fifty-seven million, four hundred four thousand, eight hundred thirty".