57367788 has 12 divisors (see below), whose sum is σ = 133858200. Its totient is φ = 19122592.

The previous prime is 57367759. The next prime is 57367789. The reversal of 57367788 is 88776375.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 57367788.

It is not an unprimeable number, because it can be changed into a prime (57367789) 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, 2390313 + ... + 2390336.

It is an arithmetic number, because the mean of its divisors is an integer number (11154850).

Almost surely, 2^57367788 is an apocalyptic number.

It is an amenable number.

57367788 is an abundant number, since it is smaller than the sum of its proper divisors (76490412).

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

57367788 is a wasteful number, since it uses less digits than its factorization.

57367788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780656 (or 4780654 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 51.

The square root of 57367788 is about 7574.1526258718. The cubic root of 57367788 is about 385.6760775008.

The spelling of 57367788 in words is "fifty-seven million, three hundred sixty-seven thousand, seven hundred eighty-eight".