57516428 has 12 divisors (see below), whose sum is σ = 101785320. Its totient is φ = 28434912.

The previous prime is 57516419. The next prime is 57516449. The reversal of 57516428 is 82461575.

57516428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 57516391 and 57516400.

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 3 ways as a sum of consecutive naturals, for example, 80426 + ... + 81137.

It is an arithmetic number, because the mean of its divisors is an integer number (8482110).

Almost surely, 2^57516428 is an apocalyptic number.

It is an amenable number.

57516428 is a deficient number, since it is larger than the sum of its proper divisors (44268892).

57516428 is a wasteful number, since it uses less digits than its factorization.

57516428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161656 (or 161654 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 57516428 is about 7583.9585969334. The cubic root of 57516428 is about 386.0088859400.

The spelling of 57516428 in words is "fifty-seven million, five hundred sixteen thousand, four hundred twenty-eight".