57501328 has 10 divisors (see below), whose sum is σ = 111408854. Its totient is φ = 28750656.

The previous prime is 57501319. The next prime is 57501329. The reversal of 57501328 is 82310575.

57501328 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., 32581264 + 24920064 = 5708^2 + 4992^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57501328.

It is not an unprimeable number, because it can be changed into a prime (57501329) 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, 1796901 + ... + 1796932.

Almost surely, 2^57501328 is an apocalyptic number.

It is an amenable number.

57501328 is a deficient number, since it is larger than the sum of its proper divisors (53907526).

57501328 is a wasteful number, since it uses less digits than its factorization.

57501328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593841 (or 3593835 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 57501328 is about 7582.9630092728. The cubic root of 57501328 is about 385.9751028712.

The spelling of 57501328 in words is "fifty-seven million, five hundred one thousand, three hundred twenty-eight".