52505322312 has 32 divisors (see below), whose sum is σ = 131546839680. Its totient is φ = 17463969600.

The previous prime is 52505322283. The next prime is 52505322319. The reversal of 52505322312 is 21322350525.

It is a self number, because there is not a number n which added to its sum of digits gives 52505322312.

It is not an unprimeable number, because it can be changed into a prime (52505322319) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2351439 + ... + 2373662.

It is an arithmetic number, because the mean of its divisors is an integer number (4110838740).

Almost surely, 2^52505322312 is an apocalyptic number.

It is an amenable number.

52505322312 is an abundant number, since it is smaller than the sum of its proper divisors (79041517368).

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

52505322312 is a wasteful number, since it uses less digits than its factorization.

52505322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725573 (or 4725569 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 52505322312 its reverse (21322350525), we get a palindrome (73827672837).

The spelling of 52505322312 in words is "fifty-two billion, five hundred five million, three hundred twenty-two thousand, three hundred twelve".