52426431 has 12 divisors (see below), whose sum is σ = 75948600. Its totient is φ = 34848720.

The previous prime is 52426427. The next prime is 52426433. The reversal of 52426431 is 13462425.

It is not a de Polignac number, because 52426431 - 2² = 52426427 is a prime.

It is a super-2 number, since 2×52426431² = 5497061334795522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52426395 and 52426404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52426433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5205 + ... + 11486.

It is an arithmetic number, because the mean of its divisors is an integer number (6329050).

Almost surely, 2^52426431 is an apocalyptic number.

52426431 is a deficient number, since it is larger than the sum of its proper divisors (23522169).

52426431 is a wasteful number, since it uses less digits than its factorization.

52426431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17046 (or 17043 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 52426431 is about 7240.6098500057. The cubic root of 52426431 is about 374.2686332009.

Adding to 52426431 its reverse (13462425), we get a palindrome (65888856).

The spelling of 52426431 in words is "fifty-two million, four hundred twenty-six thousand, four hundred thirty-one".