52320243500 has 96 divisors (see below), whose sum is σ = 133776849024. Its totient is φ = 17500800000.

The previous prime is 52320243499. The next prime is 52320243527. The reversal of 52320243500 is 534202325.

52320243500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 52320243500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38801 + ... + 325800.

It is an arithmetic number, because the mean of its divisors is an integer number (1393508844).

Almost surely, 2^52320243500 is an apocalyptic number.

52320243500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52320243500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66888424512).

52320243500 is an abundant number, since it is smaller than the sum of its proper divisors (81456605524).

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

52320243500 is a wasteful number, since it uses less digits than its factorization.

52320243500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364668 (or 364656 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

Adding to 52320243500 its reverse (534202325), we get a palindrome (52854445825).

The spelling of 52320243500 in words is "fifty-two billion, three hundred twenty million, two hundred forty-three thousand, five hundred".