52386431 has 4 divisors (see below), whose sum is σ = 52461864. Its totient is φ = 52311000.

The previous prime is 52386409. The next prime is 52386457. The reversal of 52386431 is 13468325.

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

It is a cyclic number.

It is not a de Polignac number, because 52386431 - 2¹⁰ = 52385407 is a prime.

It is a super-2 number, since 2×52386431² = 5488676305835522, 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 (52386331) 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, 36665 + ... + 38066.

It is an arithmetic number, because the mean of its divisors is an integer number (13115466).

Almost surely, 2^52386431 is an apocalyptic number.

52386431 is a deficient number, since it is larger than the sum of its proper divisors (75433).

52386431 is an equidigital number, since it uses as much as digits as its factorization.

52386431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75432.

The product of its digits is 17280, while the sum is 32.

The square root of 52386431 is about 7237.8471246635. The cubic root of 52386431 is about 374.1734232462.

The spelling of 52386431 in words is "fifty-two million, three hundred eighty-six thousand, four hundred thirty-one".