50664589 has 2 divisors, whose sum is σ = 50664590. Its totient is φ = 50664588.

The previous prime is 50664569. The next prime is 50664599. The reversal of 50664589 is 98546605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36542025 + 14122564 = 6045^2 + 3758^2 .

It is a cyclic number.

It is not a de Polignac number, because 50664589 - 2⁷ = 50664461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50664569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25332294 + 25332295.

It is an arithmetic number, because the mean of its divisors is an integer number (25332295).

Almost surely, 2^50664589 is an apocalyptic number.

It is an amenable number.

50664589 is a deficient number, since it is larger than the sum of its proper divisors (1).

50664589 is an equidigital number, since it uses as much as digits as its factorization.

50664589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 50664589 is about 7117.9062230406. The cubic root of 50664589 is about 370.0282155254.

The spelling of 50664589 in words is "fifty million, six hundred sixty-four thousand, five hundred eighty-nine".