52231225315421 has 8 divisors (see below), whose sum is σ = 52739906631360. Its totient is φ = 51722574423552.

The previous prime is 52231225315417. The next prime is 52231225315429. The reversal of 52231225315421 is 12451352213225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52231225315421 - 2² = 52231225315417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52231225315429) 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, 4148135 + ... + 11030388.

It is an arithmetic number, because the mean of its divisors is an integer number (6592488328920).

Almost surely, 2^{52231225315421} is an apocalyptic number.

It is an amenable number.

52231225315421 is a deficient number, since it is larger than the sum of its proper divisors (508681315939).

52231225315421 is a wasteful number, since it uses less digits than its factorization.

52231225315421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15212035.

The product of its digits is 144000, while the sum is 38.

Adding to 52231225315421 its reverse (12451352213225), we get a palindrome (64682577528646).

The spelling of 52231225315421 in words is "fifty-two trillion, two hundred thirty-one billion, two hundred twenty-five million, three hundred fifteen thousand, four hundred twenty-one".