57697994 has 8 divisors (see below), whose sum is σ = 89531460. Its totient is φ = 27854176.

The previous prime is 57697987. The next prime is 57698021. The reversal of 57697994 is 49979675.

57697994 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 2 ways, for example, as 49885969 + 7812025 = 7063^2 + 2795^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 497339 + ... + 497454.

Almost surely, 2^57697994 is an apocalyptic number.

57697994 is a deficient number, since it is larger than the sum of its proper divisors (31833466).

57697994 is a wasteful number, since it uses less digits than its factorization.

57697994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994824.

The product of its digits is 4286520, while the sum is 56.

The square root of 57697994 is about 7595.9195625020. The cubic root of 57697994 is about 386.4146394055.

The spelling of 57697994 in words is "fifty-seven million, six hundred ninety-seven thousand, nine hundred ninety-four".