52768431 has 12 divisors (see below), whose sum is σ = 76771240. Its totient is φ = 34925040.

The previous prime is 52768403. The next prime is 52768433. The reversal of 52768431 is 13486725.

It is not a de Polignac number, because 52768431 - 2⁵ = 52768399 is a prime.

It is a super-2 number, since 2×52768431² = 5569014620403522, which 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 (52768433) 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, 19840 + ... + 22341.

Almost surely, 2^52768431 is an apocalyptic number.

52768431 is a deficient number, since it is larger than the sum of its proper divisors (24002809).

52768431 is a wasteful number, since it uses less digits than its factorization.

52768431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42326 (or 42323 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 52768431 is about 7264.1882547192. The cubic root of 52768431 is about 375.0807079620.

The spelling of 52768431 in words is "fifty-two million, seven hundred sixty-eight thousand, four hundred thirty-one".