52909567 has 2 divisors, whose sum is σ = 52909568. Its totient is φ = 52909566.

The previous prime is 52909561. The next prime is 52909589. The reversal of 52909567 is 76590925.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52909567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52909561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26454783 + 26454784.

It is an arithmetic number, because the mean of its divisors is an integer number (26454784).

Almost surely, 2^52909567 is an apocalyptic number.

52909567 is a deficient number, since it is larger than the sum of its proper divisors (1).

52909567 is an equidigital number, since it uses as much as digits as its factorization.

52909567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 52909567 is about 7273.8962736624. The cubic root of 52909567 is about 375.4148109085.

The spelling of 52909567 in words is "fifty-two million, nine hundred nine thousand, five hundred sixty-seven".