57179979648 has 128 divisors (see below), whose sum is σ = 184102329600. Its totient is φ = 17327255040.

The previous prime is 57179979589. The next prime is 57179979653. The reversal of 57179979648 is 84697997175.

57179979648 is a `hidden beast` number, since 571 + 7 + 9 + 9 + 7 + 9 + 6 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714036 + ... + 790067.

It is an arithmetic number, because the mean of its divisors is an integer number (1438299450).

Almost surely, 2^57179979648 is an apocalyptic number.

It is an amenable number.

57179979648 is an abundant number, since it is smaller than the sum of its proper divisors (126922349952).

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

57179979648 is a wasteful number, since it uses less digits than its factorization.

57179979648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504137 (or 1504119 counting only the distinct ones).

The product of its digits is 240045120, while the sum is 72.

The spelling of 57179979648 in words is "fifty-seven billion, one hundred seventy-nine million, nine hundred seventy-nine thousand, six hundred forty-eight".