52205115522 has 64 divisors (see below), whose sum is σ = 122151896064. Its totient is φ = 14562797760.

The previous prime is 52205115481. The next prime is 52205115527. The reversal of 52205115522 is 22551150225.

It is a self number, because there is not a number n which added to its sum of digits gives 52205115522.

It is not an unprimeable number, because it can be changed into a prime (52205115527) 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, 5968072 + ... + 5976812.

It is an arithmetic number, because the mean of its divisors is an integer number (1908623376).

Almost surely, 2^52205115522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52205115522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61075948032).

52205115522 is an abundant number, since it is smaller than the sum of its proper divisors (69946780542).

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

52205115522 is a wasteful number, since it uses less digits than its factorization.

52205115522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12103.

The product of its (nonzero) digits is 10000, while the sum is 30.

Adding to 52205115522 its reverse (22551150225), we get a palindrome (74756265747).

The spelling of 52205115522 in words is "fifty-two billion, two hundred five million, one hundred fifteen thousand, five hundred twenty-two".