57949928 has 8 divisors (see below), whose sum is σ = 108656130. Its totient is φ = 28974960.

The previous prime is 57949901. The next prime is 57949937. The reversal of 57949928 is 82994975.

It can be written as a sum of positive squares in only one way, i.e., 46267204 + 11682724 = 6802^2 + 3418^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 57949928.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3621863 + ... + 3621878.

Almost surely, 2^57949928 is an apocalyptic number.

It is an amenable number.

57949928 is a deficient number, since it is larger than the sum of its proper divisors (50706202).

57949928 is a wasteful number, since it uses less digits than its factorization.

57949928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7243747 (or 7243743 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 53.

The square root of 57949928 is about 7612.4850081954. The cubic root of 57949928 is about 386.9762397305.

The spelling of 57949928 in words is "fifty-seven million, nine hundred forty-nine thousand, nine hundred twenty-eight".