52500003120 has 160 divisors (see below), whose sum is σ = 180963417600. Its totient is φ = 13989931776.

The previous prime is 52500003091. The next prime is 52500003131. The reversal of 52500003120 is 2130000525.

It is a happy number.

52500003120 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 (18).

It is a junction number, because it is equal to n+sod(n) for n = 52500003093 and 52500003102.

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, 3281701 + ... + 3297659.

It is an arithmetic number, because the mean of its divisors is an integer number (1131021360).

Almost surely, 2^52500003120 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 52500003120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90481708800).

52500003120 is an abundant number, since it is smaller than the sum of its proper divisors (128463414480).

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

52500003120 is a wasteful number, since it uses less digits than its factorization.

52500003120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17504 (or 17492 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

Adding to 52500003120 its reverse (2130000525), we get a palindrome (54630003645).

The spelling of 52500003120 in words is "fifty-two billion, five hundred million, three thousand, one hundred twenty".