52166567 has 2 divisors, whose sum is σ = 52166568. Its totient is φ = 52166566.

The previous prime is 52166551. The next prime is 52166617. The reversal of 52166567 is 76566125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52166567 - 2⁴ = 52166551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52166567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52166537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26083283 + 26083284.

It is an arithmetic number, because the mean of its divisors is an integer number (26083284).

Almost surely, 2^52166567 is an apocalyptic number.

52166567 is a deficient number, since it is larger than the sum of its proper divisors (1).

52166567 is an equidigital number, since it uses as much as digits as its factorization.

52166567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 52166567 is about 7222.6426604118. The cubic root of 52166567 is about 373.6492250012.

The spelling of 52166567 in words is "fifty-two million, one hundred sixty-six thousand, five hundred sixty-seven".