52123404522 has 16 divisors (see below), whose sum is σ = 119139210432. Its totient is φ = 14892401280.

The previous prime is 52123404521. The next prime is 52123404547. The reversal of 52123404522 is 22540432125.

It is a self number, because there is not a number n which added to its sum of digits gives 52123404522.

It is not an unprimeable number, because it can be changed into a prime (52123404521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620516679 + ... + 620516762.

It is an arithmetic number, because the mean of its divisors is an integer number (7446200652).

Almost surely, 2^52123404522 is an apocalyptic number.

52123404522 is an abundant number, since it is smaller than the sum of its proper divisors (67015805910).

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

52123404522 is a wasteful number, since it uses less digits than its factorization.

52123404522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241033453.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 52123404522 its reverse (22540432125), we get a palindrome (74663836647).

The spelling of 52123404522 in words is "fifty-two billion, one hundred twenty-three million, four hundred four thousand, five hundred twenty-two".