57660880 has 40 divisors (see below), whose sum is σ = 134446752. Its totient is φ = 22998144.

The previous prime is 57660871. The next prime is 57660907. The reversal of 57660880 is 8806675.

It is a tau number, because it is divible by the number of its divisors (40).

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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34627 + ... + 36253.

Almost surely, 2^57660880 is an apocalyptic number.

It is an amenable number.

57660880 is an abundant number, since it is smaller than the sum of its proper divisors (76785872).

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

57660880 is a wasteful number, since it uses less digits than its factorization.

57660880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083 (or 2077 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 57660880 is about 7593.4761473254. The cubic root of 57660880 is about 386.3317684190.

The spelling of 57660880 in words is "fifty-seven million, six hundred sixty thousand, eight hundred eighty".