52122262431 has 4 divisors (see below), whose sum is σ = 69496349912. Its totient is φ = 34748174952.

The previous prime is 52122262427. The next prime is 52122262469. The reversal of 52122262431 is 13426222125.

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

It is not a de Polignac number, because 52122262431 - 2² = 52122262427 is a prime.

It is a super-2 number, since 2×52122262431² (a number of 22 digits) contains 22 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 (52122262631) 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, 8687043736 + ... + 8687043741.

It is an arithmetic number, because the mean of its divisors is an integer number (17374087478).

Almost surely, 2^52122262431 is an apocalyptic number.

52122262431 is a deficient number, since it is larger than the sum of its proper divisors (17374087481).

52122262431 is a wasteful number, since it uses less digits than its factorization.

52122262431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17374087480.

The product of its digits is 11520, while the sum is 30.

Adding to 52122262431 its reverse (13426222125), we get a palindrome (65548484556).

The spelling of 52122262431 in words is "fifty-two billion, one hundred twenty-two million, two hundred sixty-two thousand, four hundred thirty-one".