57693906 has 12 divisors (see below), whose sum is σ = 125003502. Its totient is φ = 19231296.

The previous prime is 57693893. The next prime is 57693947. The reversal of 57693906 is 60939675.

57693906 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., 47485881 + 10208025 = 6891^2 + 3195^2 .

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 in 5 ways as a sum of consecutive naturals, for example, 1602591 + ... + 1602626.

Almost surely, 2^57693906 is an apocalyptic number.

57693906 is an abundant number, since it is smaller than the sum of its proper divisors (67309596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57693906 is a wasteful number, since it uses less digits than its factorization.

57693906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205225 (or 3205222 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 57693906 is about 7595.6504658916. The cubic root of 57693906 is about 386.4055131474.

The spelling of 57693906 in words is "fifty-seven million, six hundred ninety-three thousand, nine hundred six".