57321360 has 60 divisors (see below), whose sum is σ = 192506652. Its totient is φ = 15285504.

The previous prime is 57321337. The next prime is 57321379. The reversal of 57321360 is 6312375.

It is a happy number.

57321360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6170256 + 51151104 = 2484^2 + 7152^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39087 + ... + 40526.

Almost surely, 2^57321360 is an apocalyptic number.

It is an amenable number.

57321360 is an abundant number, since it is smaller than the sum of its proper divisors (135185292).

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

57321360 is a wasteful number, since it uses less digits than its factorization.

57321360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79632 (or 79623 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 57321360 is about 7571.0871082032. The cubic root of 57321360 is about 385.5720063124.

The spelling of 57321360 in words is "fifty-seven million, three hundred twenty-one thousand, three hundred sixty".