52468113221 has 4 divisors (see below), whose sum is σ = 53186854572. Its totient is φ = 51749371872.

The previous prime is 52468113193. The next prime is 52468113223. The reversal of 52468113221 is 12231186425.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33924482596 + 18543630625 = 184186^2 + 136175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52468113221 is a prime.

It is a super-3 number, since 3×52468113221³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52468113223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359370566 + ... + 359370711.

It is an arithmetic number, because the mean of its divisors is an integer number (13296713643).

Almost surely, 2^52468113221 is an apocalyptic number.

It is an amenable number.

52468113221 is a deficient number, since it is larger than the sum of its proper divisors (718741351).

52468113221 is an equidigital number, since it uses as much as digits as its factorization.

52468113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718741350.

The product of its digits is 23040, while the sum is 35.

Adding to 52468113221 its reverse (12231186425), we get a palindrome (64699299646).

The spelling of 52468113221 in words is "fifty-two billion, four hundred sixty-eight million, one hundred thirteen thousand, two hundred twenty-one".