52565663 has 2 divisors, whose sum is σ = 52565664. Its totient is φ = 52565662.

The previous prime is 52565659. The next prime is 52565699. The reversal of 52565663 is 36656525.

52565663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52565663 - 2² = 52565659 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52565963) 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 as a sum of consecutive naturals, namely, 26282831 + 26282832.

It is an arithmetic number, because the mean of its divisors is an integer number (26282832).

Almost surely, 2^52565663 is an apocalyptic number.

52565663 is a deficient number, since it is larger than the sum of its proper divisors (1).

52565663 is an equidigital number, since it uses as much as digits as its factorization.

52565663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 38.

The square root of 52565663 is about 7250.2181346495. The cubic root of 52565663 is about 374.5996628399.

The spelling of 52565663 in words is "fifty-two million, five hundred sixty-five thousand, six hundred sixty-three".