52091089 has 2 divisors, whose sum is σ = 52091090. Its totient is φ = 52091088.

The previous prime is 52091071. The next prime is 52091119. The reversal of 52091089 is 98019025.

52091089 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 can be written as a sum of positive squares in only one way, i.e., 45158400 + 6932689 = 6720^2 + 2633^2 .

It is a cyclic number.

It is not a de Polignac number, because 52091089 - 2⁵ = 52091057 is a prime.

It is not a weakly prime, because it can be changed into another prime (52091029) 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, 26045544 + 26045545.

It is an arithmetic number, because the mean of its divisors is an integer number (26045545).

Almost surely, 2^52091089 is an apocalyptic number.

It is an amenable number.

52091089 is a deficient number, since it is larger than the sum of its proper divisors (1).

52091089 is an equidigital number, since it uses as much as digits as its factorization.

52091089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 52091089 is about 7217.4156732171. The cubic root of 52091089 is about 373.4689313098.

The spelling of 52091089 in words is "fifty-two million, ninety-one thousand, eighty-nine".