52089491 has 2 divisors, whose sum is σ = 52089492. Its totient is φ = 52089490.

The previous prime is 52089461. The next prime is 52089493. The reversal of 52089491 is 19498025.

52089491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52089491 - 2¹⁰ = 52088467 is a prime.

Together with 52089493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52089493) 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, 26044745 + 26044746.

It is an arithmetic number, because the mean of its divisors is an integer number (26044746).

Almost surely, 2^52089491 is an apocalyptic number.

52089491 is a deficient number, since it is larger than the sum of its proper divisors (1).

52089491 is an equidigital number, since it uses as much as digits as its factorization.

52089491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 52089491 is about 7217.3049679226. The cubic root of 52089491 is about 373.4651122980.

The spelling of 52089491 in words is "fifty-two million, eighty-nine thousand, four hundred ninety-one".