57090694 has 4 divisors (see below), whose sum is σ = 85636044. Its totient is φ = 28545346.

The previous prime is 57090679. The next prime is 57090707. The reversal of 57090694 is 49609075.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14272672 + ... + 14272675.

It is an arithmetic number, because the mean of its divisors is an integer number (21409011).

Almost surely, 2^57090694 is an apocalyptic number.

57090694 is a deficient number, since it is larger than the sum of its proper divisors (28545350).

57090694 is a wasteful number, since it uses less digits than its factorization.

57090694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28545349.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 57090694 is about 7555.8384048364. The cubic root of 57090694 is about 385.0541195636.

The spelling of 57090694 in words is "fifty-seven million, ninety thousand, six hundred ninety-four".