57578780 has 48 divisors (see below), whose sum is σ = 142657536. Its totient is φ = 19103040.

The previous prime is 57578767. The next prime is 57578783. The reversal of 57578780 is 8787575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57578783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2294 + ... + 10973.

It is an arithmetic number, because the mean of its divisors is an integer number (2972032).

Almost surely, 2^57578780 is an apocalyptic number.

It is an amenable number.

57578780 is an abundant number, since it is smaller than the sum of its proper divisors (85078756).

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

57578780 is a wasteful number, since it uses less digits than its factorization.

57578780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13314 (or 13312 counting only the distinct ones).

The product of its (nonzero) digits is 548800, while the sum is 47.

The square root of 57578780 is about 7588.0682653756. The cubic root of 57578780 is about 386.1483228210.

The spelling of 57578780 in words is "fifty-seven million, five hundred seventy-eight thousand, seven hundred eighty".