52506647 has 2 divisors, whose sum is σ = 52506648. Its totient is φ = 52506646.

The previous prime is 52506613. The next prime is 52506679. The reversal of 52506647 is 74660525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52506647 - 2⁶ = 52506583 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52506697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26253323 + 26253324.

It is an arithmetic number, because the mean of its divisors is an integer number (26253324).

Almost surely, 2^52506647 is an apocalyptic number.

52506647 is a deficient number, since it is larger than the sum of its proper divisors (1).

52506647 is an equidigital number, since it uses as much as digits as its factorization.

52506647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 52506647 is about 7246.1470451544. The cubic root of 52506647 is about 374.4594214035.

The spelling of 52506647 in words is "fifty-two million, five hundred six thousand, six hundred forty-seven".