57385388 has 12 divisors (see below), whose sum is σ = 100503480. Its totient is φ = 28670112.

The previous prime is 57385381. The next prime is 57385397. The reversal of 57385388 is 88358375.

It is not an unprimeable number, because it can be changed into a prime (57385381) 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, 920 + ... + 10752.

It is an arithmetic number, because the mean of its divisors is an integer number (8375290).

Almost surely, 2^57385388 is an apocalyptic number.

It is an amenable number.

57385388 is a deficient number, since it is larger than the sum of its proper divisors (43118092).

57385388 is a wasteful number, since it uses less digits than its factorization.

57385388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11296 (or 11294 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The square root of 57385388 is about 7575.3143829151. The cubic root of 57385388 is about 385.7155142949.

The spelling of 57385388 in words is "fifty-seven million, three hundred eighty-five thousand, three hundred eighty-eight".