57321993616 has 40 divisors (see below), whose sum is σ = 117192320640. Its totient is φ = 27106818816.

The previous prime is 57321993587. The next prime is 57321993623. The reversal of 57321993616 is 61639912375.

It is a super-2 number, since 2×57321993616² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842340 + ... + 907843.

It is an arithmetic number, because the mean of its divisors is an integer number (2929808016).

Almost surely, 2^57321993616 is an apocalyptic number.

It is an amenable number.

57321993616 is an abundant number, since it is smaller than the sum of its proper divisors (59870327024).

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

57321993616 is a wasteful number, since it uses less digits than its factorization.

57321993616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750303 (or 1750297 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 52.

The spelling of 57321993616 in words is "fifty-seven billion, three hundred twenty-one million, nine hundred ninety-three thousand, six hundred sixteen".