57766880 has 48 divisors (see below), whose sum is σ = 137304720. Its totient is φ = 22966272.

The previous prime is 57766837. The next prime is 57766903. The reversal of 57766880 is 8866775.

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, 27632 + ... + 29648.

It is an arithmetic number, because the mean of its divisors is an integer number (2860515).

Almost surely, 2^57766880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57766880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68652360).

57766880 is an abundant number, since it is smaller than the sum of its proper divisors (79537840).

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

57766880 is a wasteful number, since it uses less digits than its factorization.

57766880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211 (or 2203 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 57766880 is about 7600.4526181011. The cubic root of 57766880 is about 386.5683592068.

The spelling of 57766880 in words is "fifty-seven million, seven hundred sixty-six thousand, eight hundred eighty".