57691048 has 8 divisors (see below), whose sum is σ = 108170730. Its totient is φ = 28845520.

The previous prime is 57691009. The next prime is 57691057. The reversal of 57691048 is 84019675.

It can be written as a sum of positive squares in only one way, i.e., 56520324 + 1170724 = 7518^2 + 1082^2 .

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 57691048.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3605683 + ... + 3605698.

Almost surely, 2^57691048 is an apocalyptic number.

It is an amenable number.

57691048 is a deficient number, since it is larger than the sum of its proper divisors (50479682).

57691048 is a wasteful number, since it uses less digits than its factorization.

57691048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7211387 (or 7211383 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 57691048 is about 7595.4623295755. The cubic root of 57691048 is about 386.3991325475.

The spelling of 57691048 in words is "fifty-seven million, six hundred ninety-one thousand, forty-eight".