52503889216 has 56 divisors (see below), whose sum is σ = 109318495104. Its totient is φ = 24971696640.

The previous prime is 52503889211. The next prime is 52503889219. The reversal of 52503889216 is 61298830525.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 52503889216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52503889211) 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, 167901 + ... + 364963.

It is an arithmetic number, because the mean of its divisors is an integer number (1952115984).

Almost surely, 2^52503889216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52503889216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54659247552).

52503889216 is an abundant number, since it is smaller than the sum of its proper divisors (56814605888).

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

52503889216 is a wasteful number, since it uses less digits than its factorization.

52503889216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197279 (or 197269 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 49.

The spelling of 52503889216 in words is "fifty-two billion, five hundred three million, eight hundred eighty-nine thousand, two hundred sixteen".