57724168 has 16 divisors (see below), whose sum is σ = 108899280. Its totient is φ = 28684368.

The previous prime is 57724157. The next prime is 57724169. The reversal of 57724168 is 86142775.

It is a self number, because there is not a number n which added to its sum of digits gives 57724168.

It is not an unprimeable number, because it can be changed into a prime (57724169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20830 + ... + 23437.

It is an arithmetic number, because the mean of its divisors is an integer number (6806205).

Almost surely, 2^57724168 is an apocalyptic number.

It is an amenable number.

57724168 is a deficient number, since it is larger than the sum of its proper divisors (51175112).

57724168 is a wasteful number, since it uses less digits than its factorization.

57724168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44436 (or 44432 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 57724168 is about 7597.6422658612. The cubic root of 57724168 is about 386.4730613545.

The spelling of 57724168 in words is "fifty-seven million, seven hundred twenty-four thousand, one hundred sixty-eight".