57149148572 has 12 divisors (see below), whose sum is σ = 100141068720. Its totient is φ = 28537414656.

The previous prime is 57149148541. The next prime is 57149148587. The reversal of 57149148572 is 27584194175.

It is a happy number.

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, 9286448 + ... + 9292599.

It is an arithmetic number, because the mean of its divisors is an integer number (8345089060).

Almost surely, 2^57149148572 is an apocalyptic number.

It is an amenable number.

57149148572 is a deficient number, since it is larger than the sum of its proper divisors (42991920148).

57149148572 is a wasteful number, since it uses less digits than its factorization.

57149148572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18579820 (or 18579818 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 53.

The spelling of 57149148572 in words is "fifty-seven billion, one hundred forty-nine million, one hundred forty-eight thousand, five hundred seventy-two".