52644431 has 4 divisors (see below), whose sum is σ = 60165072. Its totient is φ = 45123792.

The previous prime is 52644413. The next prime is 52644457. The reversal of 52644431 is 13444625.

52644431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 52644431 - 2¹⁴ = 52628047 is a prime.

It is a super-2 number, since 2×52644431² = 5542872230627522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52644394 and 52644403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52644491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3760310 + ... + 3760323.

It is an arithmetic number, because the mean of its divisors is an integer number (15041268).

Almost surely, 2^52644431 is an apocalyptic number.

52644431 is a deficient number, since it is larger than the sum of its proper divisors (7520641).

52644431 is an equidigital number, since it uses as much as digits as its factorization.

52644431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7520640.

The product of its digits is 11520, while the sum is 29.

The square root of 52644431 is about 7255.6482136333. The cubic root of 52644431 is about 374.7866780804.

The spelling of 52644431 in words is "fifty-two million, six hundred forty-four thousand, four hundred thirty-one".