57505488 has 40 divisors (see below), whose sum is σ = 148948800. Its totient is φ = 19117824.

The previous prime is 57505453. The next prime is 57505499. The reversal of 57505488 is 88450575.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19708 + ... + 22436.

It is an arithmetic number, because the mean of its divisors is an integer number (3723720).

Almost surely, 2^57505488 is an apocalyptic number.

It is an amenable number.

57505488 is an abundant number, since it is smaller than the sum of its proper divisors (91443312).

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

57505488 is a wasteful number, since it uses less digits than its factorization.

57505488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179 (or 3173 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 42.

The square root of 57505488 is about 7583.2373034213. The cubic root of 57505488 is about 385.9844105850.

The spelling of 57505488 in words is "fifty-seven million, five hundred five thousand, four hundred eighty-eight".