57513890 has 48 divisors (see below), whose sum is σ = 125727552. Its totient is φ = 18552576.

The previous prime is 57513887. The next prime is 57513901. The reversal of 57513890 is 9831575.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18809 + ... + 21651.

It is an arithmetic number, because the mean of its divisors is an integer number (2619324).

Almost surely, 2^57513890 is an apocalyptic number.

57513890 is an abundant number, since it is smaller than the sum of its proper divisors (68213662).

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

57513890 is a wasteful number, since it uses less digits than its factorization.

57513890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 57513890 is about 7583.7912682246. The cubic root of 57513890 is about 386.0032081132.

The spelling of 57513890 in words is "fifty-seven million, five hundred thirteen thousand, eight hundred ninety".