52649567 has 2 divisors, whose sum is σ = 52649568. Its totient is φ = 52649566.

The previous prime is 52649533. The next prime is 52649591. The reversal of 52649567 is 76594625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52649567 - 2⁶ = 52649503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52649167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26324783 + 26324784.

It is an arithmetic number, because the mean of its divisors is an integer number (26324784).

Almost surely, 2^52649567 is an apocalyptic number.

52649567 is a deficient number, since it is larger than the sum of its proper divisors (1).

52649567 is an equidigital number, since it uses as much as digits as its factorization.

52649567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 453600, while the sum is 44.

The square root of 52649567 is about 7256.0021361629. The cubic root of 52649567 is about 374.7988657690.

The spelling of 52649567 in words is "fifty-two million, six hundred forty-nine thousand, five hundred sixty-seven".