52505253320 has 64 divisors (see below), whose sum is σ = 127370441520. Its totient is φ = 19364281344.

The previous prime is 52505253247. The next prime is 52505253331. The reversal of 52505253320 is 2335250525.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 25953854404 + 26551398916 = 161102^2 + 162946^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398474 + ... + 513606.

Almost surely, 2^52505253320 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 52505253320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63685220760).

52505253320 is an abundant number, since it is smaller than the sum of its proper divisors (74865188200).

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

52505253320 is a wasteful number, since it uses less digits than its factorization.

52505253320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116034 (or 116030 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 32.

The spelling of 52505253320 in words is "fifty-two billion, five hundred five million, two hundred fifty-three thousand, three hundred twenty".