57719992 has 16 divisors (see below), whose sum is σ = 118063800. Its totient is φ = 26236320.

The previous prime is 57719989. The next prime is 57719993. The reversal of 57719992 is 29991775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57719993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327867 + ... + 328042.

Almost surely, 2^57719992 is an apocalyptic number.

It is an amenable number.

57719992 is an abundant number, since it is smaller than the sum of its proper divisors (60343808).

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

57719992 is a wasteful number, since it uses less digits than its factorization.

57719992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655926 (or 655922 counting only the distinct ones).

The product of its digits is 357210, while the sum is 49.

The square root of 57719992 is about 7597.3674387909. The cubic root of 57719992 is about 386.4637414545.

The spelling of 57719992 in words is "fifty-seven million, seven hundred nineteen thousand, nine hundred ninety-two".