57975520 has 24 divisors (see below), whose sum is σ = 136967544. Its totient is φ = 23190144.

The previous prime is 57975503. The next prime is 57975521. The reversal of 57975520 is 2557975.

57975520 = 256² + 257² + ... + 575².

It is a super-2 number, since 2×57975520² = 6722321838540800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57975521) 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, 181014 + ... + 181333.

It is an arithmetic number, because the mean of its divisors is an integer number (5706981).

Almost surely, 2^57975520 is an apocalyptic number.

It is an amenable number.

57975520 is an abundant number, since it is smaller than the sum of its proper divisors (78992024).

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

57975520 is a wasteful number, since it uses less digits than its factorization.

57975520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362362 (or 362354 counting only the distinct ones).

The product of its (nonzero) digits is 110250, while the sum is 40.

The square root of 57975520 is about 7614.1657455036. The cubic root of 57975520 is about 387.0331971692.

The spelling of 57975520 in words is "fifty-seven million, nine hundred seventy-five thousand, five hundred twenty".