57281995772 has 12 divisors (see below), whose sum is σ = 100466755200. Its totient is φ = 28577208576.

The previous prime is 57281995753. The next prime is 57281995847. The reversal of 57281995772 is 27759918275.

It is a congruent number.

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, 15945308 + ... + 15948899.

It is an arithmetic number, because the mean of its divisors is an integer number (8372229600).

Almost surely, 2^57281995772 is an apocalyptic number.

It is an amenable number.

57281995772 is a deficient number, since it is larger than the sum of its proper divisors (43184759428).

57281995772 is a wasteful number, since it uses less digits than its factorization.

57281995772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31894660 (or 31894658 counting only the distinct ones).

The product of its digits is 22226400, while the sum is 62.

The spelling of 57281995772 in words is "fifty-seven billion, two hundred eighty-one million, nine hundred ninety-five thousand, seven hundred seventy-two".