52650645872 has 40 divisors (see below), whose sum is σ = 117830462832. Its totient is φ = 22524339200.

The previous prime is 52650645871. The next prime is 52650645919. The reversal of 52650645872 is 27854605625.

It is a self number, because there is not a number n which added to its sum of digits gives 52650645872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52650645871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8795579 + ... + 8801562.

Almost surely, 2^52650645872 is an apocalyptic number.

It is an amenable number.

52650645872 is an abundant number, since it is smaller than the sum of its proper divisors (65179816960).

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

52650645872 is a wasteful number, since it uses less digits than its factorization.

52650645872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17597177 (or 17597171 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 50.

The spelling of 52650645872 in words is "fifty-two billion, six hundred fifty million, six hundred forty-five thousand, eight hundred seventy-two".