52643581716 has 48 divisors (see below), whose sum is σ = 134016519168. Its totient is φ = 15950853600.

The previous prime is 52643581597. The next prime is 52643581769. The reversal of 52643581716 is 61718534625.

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, 1701061 + ... + 1731731.

It is an arithmetic number, because the mean of its divisors is an integer number (2792010816).

Almost surely, 2^52643581716 is an apocalyptic number.

It is an amenable number.

52643581716 is an abundant number, since it is smaller than the sum of its proper divisors (81372937452).

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

52643581716 is a wasteful number, since it uses less digits than its factorization.

52643581716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43692 (or 43690 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The spelling of 52643581716 in words is "fifty-two billion, six hundred forty-three million, five hundred eighty-one thousand, seven hundred sixteen".