57975728 has 10 divisors (see below), whose sum is σ = 112328004. Its totient is φ = 28987856.

The previous prime is 57975647. The next prime is 57975737. The reversal of 57975728 is 82757975.

57975728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×57975728² = 6722370074259968, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 1811726 + ... + 1811757.

Almost surely, 2^57975728 is an apocalyptic number.

It is an amenable number.

57975728 is a deficient number, since it is larger than the sum of its proper divisors (54352276).

57975728 is a wasteful number, since it uses less digits than its factorization.

57975728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623491 (or 3623485 counting only the distinct ones).

The product of its digits is 1234800, while the sum is 50.

The square root of 57975728 is about 7614.1794042431. The cubic root of 57975728 is about 387.0336600243.

The spelling of 57975728 in words is "fifty-seven million, nine hundred seventy-five thousand, seven hundred twenty-eight".