52503055320 has 128 divisors (see below), whose sum is σ = 159159479040. Its totient is φ = 13854420480.

The previous prime is 52503055291. The next prime is 52503055321. The reversal of 52503055320 is 2355030525.

52503055320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52503055321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15573235 + ... + 15576605.

It is an arithmetic number, because the mean of its divisors is an integer number (1243433430).

Almost surely, 2^52503055320 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 52503055320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79579739520).

52503055320 is an abundant number, since it is smaller than the sum of its proper divisors (106656423720).

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

52503055320 is a wasteful number, since it uses less digits than its factorization.

52503055320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4705 (or 4701 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 30.

Adding to 52503055320 its reverse (2355030525), we get a palindrome (54858085845).

The spelling of 52503055320 in words is "fifty-two billion, five hundred three million, fifty-five thousand, three hundred twenty".