52225307512 has 96 divisors (see below), whose sum is σ = 118127001600. Its totient is φ = 21164444928.

The previous prime is 52225307507. The next prime is 52225307531. The reversal of 52225307512 is 21570352225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10199689 + ... + 10204807.

It is an arithmetic number, because the mean of its divisors is an integer number (1230489600).

Almost surely, 2^52225307512 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 52225307512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59063500800).

52225307512 is an abundant number, since it is smaller than the sum of its proper divisors (65901694088).

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

52225307512 is a wasteful number, since it uses less digits than its factorization.

52225307512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5333 (or 5240 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

Adding to 52225307512 its reverse (21570352225), we get a palindrome (73795659737).

The spelling of 52225307512 in words is "fifty-two billion, two hundred twenty-five million, three hundred seven thousand, five hundred twelve".