57493536 has 24 divisors (see below), whose sum is σ = 150920784. Its totient is φ = 19164480.

The previous prime is 57493493. The next prime is 57493577. The reversal of 57493536 is 63539475.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299350 + ... + 299541.

It is an arithmetic number, because the mean of its divisors is an integer number (6288366).

Almost surely, 2^57493536 is an apocalyptic number.

It is an amenable number.

57493536 is an abundant number, since it is smaller than the sum of its proper divisors (93427248).

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

57493536 is a wasteful number, since it uses less digits than its factorization.

57493536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598904 (or 598896 counting only the distinct ones).

The product of its digits is 340200, while the sum is 42.

The square root of 57493536 is about 7582.4492085341. The cubic root of 57493536 is about 385.9576675994.

The spelling of 57493536 in words is "fifty-seven million, four hundred ninety-three thousand, five hundred thirty-six".