52109218764 has 72 divisors (see below), whose sum is σ = 133439572448. Its totient is φ = 17144524800.

The previous prime is 52109218747. The next prime is 52109218769. The reversal of 52109218764 is 46781290125.

52109218764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52109218769) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 822924 + ... + 883980.

Almost surely, 2^52109218764 is an apocalyptic number.

It is an amenable number.

52109218764 is an abundant number, since it is smaller than the sum of its proper divisors (81330353684).

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

52109218764 is a wasteful number, since it uses less digits than its factorization.

52109218764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61375 (or 61370 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 52109218764 in words is "fifty-two billion, one hundred nine million, two hundred eighteen thousand, seven hundred sixty-four".