52222121552 has 40 divisors (see below), whose sum is σ = 105651898560. Its totient is φ = 24958672640.

The previous prime is 52222121537. The next prime is 52222121557. The reversal of 52222121552 is 25512122225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52222121557) 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, 497099 + ... + 592917.

It is an arithmetic number, because the mean of its divisors is an integer number (2641297464).

Almost surely, 2^52222121552 is an apocalyptic number.

It is an amenable number.

52222121552 is an abundant number, since it is smaller than the sum of its proper divisors (53429777008).

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

52222121552 is a wasteful number, since it uses less digits than its factorization.

52222121552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97331 (or 97325 counting only the distinct ones).

The product of its digits is 8000, while the sum is 29.

Adding to 52222121552 its reverse (25512122225), we get a palindrome (77734243777).

The spelling of 52222121552 in words is "fifty-two billion, two hundred twenty-two million, one hundred twenty-one thousand, five hundred fifty-two".