57517191916 has 12 divisors (see below), whose sum is σ = 100875340888. Its totient is φ = 28695665952.

The previous prime is 57517191869. The next prime is 57517191931. The reversal of 57517191916 is 61919171575.

57517191916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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, 15730446 + ... + 15734101.

Almost surely, 2^57517191916 is an apocalyptic number.

It is an amenable number.

57517191916 is a deficient number, since it is larger than the sum of its proper divisors (43358148972).

57517191916 is a wasteful number, since it uses less digits than its factorization.

57517191916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31465008 (or 31465006 counting only the distinct ones).

The product of its digits is 595350, while the sum is 52.

The spelling of 57517191916 in words is "fifty-seven billion, five hundred seventeen million, one hundred ninety-one thousand, nine hundred sixteen".