52721186656722 has 32 divisors (see below), whose sum is σ = 110053667865600. Its totient is φ = 16805552620560.

The previous prime is 52721186656673. The next prime is 52721186656739. The reversal of 52721186656722 is 22765668112725.

It is a happy 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, 46035654 + ... + 47166977.

It is an arithmetic number, because the mean of its divisors is an integer number (3439177120800).

Almost surely, 2^{52721186656722} is an apocalyptic number.

52721186656722 is an abundant number, since it is smaller than the sum of its proper divisors (57332481208878).

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

52721186656722 is a wasteful number, since it uses less digits than its factorization.

52721186656722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93206758.

The product of its digits is 33868800, while the sum is 60.

The spelling of 52721186656722 in words is "fifty-two trillion, seven hundred twenty-one billion, one hundred eighty-six million, six hundred fifty-six thousand, seven hundred twenty-two".