52564429 has 2 divisors, whose sum is σ = 52564430. Its totient is φ = 52564428.

The previous prime is 52564427. The next prime is 52564439. The reversal of 52564429 is 92446525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49420900 + 3143529 = 7030^2 + 1773^2 .

It is a cyclic number.

It is not a de Polignac number, because 52564429 - 2¹ = 52564427 is a prime.

Together with 52564427, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52564423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26282214 + 26282215.

It is an arithmetic number, because the mean of its divisors is an integer number (26282215).

Almost surely, 2^52564429 is an apocalyptic number.

It is an amenable number.

52564429 is a deficient number, since it is larger than the sum of its proper divisors (1).

52564429 is an equidigital number, since it uses as much as digits as its factorization.

52564429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 37.

The square root of 52564429 is about 7250.1330332622. The cubic root of 52564429 is about 374.5967315246.

The spelling of 52564429 in words is "fifty-two million, five hundred sixty-four thousand, four hundred twenty-nine".