57539880 has 48 divisors (see below), whose sum is σ = 187005780. Its totient is φ = 15343872.

The previous prime is 57539879. The next prime is 57539893. The reversal of 57539880 is 8893575.

It can be written as a sum of positive squares in 2 ways, for example, as 47692836 + 9847044 = 6906^2 + 3138^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79557 + ... + 80276.

Almost surely, 2^57539880 is an apocalyptic number.

It is an amenable number.

57539880 is an abundant number, since it is smaller than the sum of its proper divisors (129465900).

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

57539880 is a wasteful number, since it uses less digits than its factorization.

57539880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159850 (or 159843 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 57539880 is about 7585.5045975861. The cubic root of 57539880 is about 386.0613431283.

The spelling of 57539880 in words is "fifty-seven million, five hundred thirty-nine thousand, eight hundred eighty".