57477994 has 8 divisors (see below), whose sum is σ = 98533728. Its totient is φ = 24633420.

The previous prime is 57477967. The next prime is 57478007. The reversal of 57477994 is 49977475.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2052772 + ... + 2052799.

It is an arithmetic number, because the mean of its divisors is an integer number (12316716).

Almost surely, 2^57477994 is an apocalyptic number.

57477994 is a deficient number, since it is larger than the sum of its proper divisors (41055734).

57477994 is a wasteful number, since it uses less digits than its factorization.

57477994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4105580.

The product of its digits is 2222640, while the sum is 52.

The square root of 57477994 is about 7581.4242725229. The cubic root of 57477994 is about 385.9228863289.

The spelling of 57477994 in words is "fifty-seven million, four hundred seventy-seven thousand, nine hundred ninety-four".