52252530224421 has 16 divisors (see below), whose sum is σ = 72083800877760. Its totient is φ = 33628518040320.

The previous prime is 52252530224267. The next prime is 52252530224497. The reversal of 52252530224421 is 12442203525225.

It is not a de Polignac number, because 52252530224421 - 2³³ = 52243940289829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52252530224421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52252530229421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46716595 + ... + 47822016.

It is an arithmetic number, because the mean of its divisors is an integer number (4505237554860).

Almost surely, 2^{52252530224421} is an apocalyptic number.

It is an amenable number.

52252530224421 is a deficient number, since it is larger than the sum of its proper divisors (19831270653339).

52252530224421 is a wasteful number, since it uses less digits than its factorization.

52252530224421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94544996.

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 52252530224421 its reverse (12442203525225), we get a palindrome (64694733749646).

The spelling of 52252530224421 in words is "fifty-two trillion, two hundred fifty-two billion, five hundred thirty million, two hundred twenty-four thousand, four hundred twenty-one".