57505828 has 6 divisors (see below), whose sum is σ = 100635206. Its totient is φ = 28752912.

The previous prime is 57505817. The next prime is 57505841. The reversal of 57505828 is 82850575.

57505828 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., 42928704 + 14577124 = 6552^2 + 3818^2 .

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, 7188225 + ... + 7188232.

Almost surely, 2^57505828 is an apocalyptic number.

It is an amenable number.

57505828 is a deficient number, since it is larger than the sum of its proper divisors (43129378).

57505828 is a wasteful number, since it uses less digits than its factorization.

57505828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14376461 (or 14376459 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 40.

The square root of 57505828 is about 7583.2597212544. The cubic root of 57505828 is about 385.9851712918.

The spelling of 57505828 in words is "fifty-seven million, five hundred five thousand, eight hundred twenty-eight".