57044072 has 8 divisors (see below), whose sum is σ = 106957650. Its totient is φ = 28522032.

The previous prime is 57044063. The next prime is 57044077. The reversal of 57044072 is 27044075.

57044072 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 only one way, i.e., 48246916 + 8797156 = 6946^2 + 2966^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (57044077) by changing a digit.

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 as a sum of consecutive naturals, namely, 3565247 + ... + 3565262.

Almost surely, 2^57044072 is an apocalyptic number.

It is an amenable number.

57044072 is a deficient number, since it is larger than the sum of its proper divisors (49913578).

57044072 is a wasteful number, since it uses less digits than its factorization.

57044072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7130515 (or 7130511 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 57044072 is about 7552.7526108036. The cubic root of 57044072 is about 384.9492753771.

The spelling of 57044072 in words is "fifty-seven million, forty-four thousand, seventy-two".