57512900 has 18 divisors (see below), whose sum is σ = 124803210. Its totient is φ = 23005120.

The previous prime is 57512899. The next prime is 57512927. The reversal of 57512900 is 921575.

It can be written as a sum of positive squares in 3 ways, for example, as 12166144 + 45346756 = 3488^2 + 6734^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 287465 + ... + 287664.

Almost surely, 2^57512900 is an apocalyptic number.

57512900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57512900 is an abundant number, since it is smaller than the sum of its proper divisors (67290310).

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

57512900 is a wasteful number, since it uses less digits than its factorization.

57512900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575143 (or 575136 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 57512900 is about 7583.7259971600. The cubic root of 57512900 is about 386.0009933127. Note that the first 3 decimals are identical.

The spelling of 57512900 in words is "fifty-seven million, five hundred twelve thousand, nine hundred".