57388072 has 32 divisors (see below), whose sum is σ = 123220800. Its totient is φ = 24545664.

The previous prime is 57388057. The next prime is 57388091. The reversal of 57388072 is 27088375.

57388072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 47508 + ... + 48700.

It is an arithmetic number, because the mean of its divisors is an integer number (3850650).

Almost surely, 2^57388072 is an apocalyptic number.

It is an amenable number.

57388072 is an abundant number, since it is smaller than the sum of its proper divisors (65832728).

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

57388072 is a wasteful number, since it uses less digits than its factorization.

57388072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065 (or 2061 counting only the distinct ones).

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

The square root of 57388072 is about 7575.4915352075. The cubic root of 57388072 is about 385.7215276973.

It can be divided in two parts, 57 and 388072, that added together give a square (388129 = 623²).

The spelling of 57388072 in words is "fifty-seven million, three hundred eighty-eight thousand, seventy-two".