50435809 has 2 divisors, whose sum is σ = 50435810. Its totient is φ = 50435808.

The previous prime is 50435797. The next prime is 50435813. The reversal of 50435809 is 90853405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36723600 + 13712209 = 6060^2 + 3703^2 .

It is a cyclic number.

It is not a de Polignac number, because 50435809 - 2⁷ = 50435681 is a prime.

It is not a weakly prime, because it can be changed into another prime (50435009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25217904 + 25217905.

It is an arithmetic number, because the mean of its divisors is an integer number (25217905).

Almost surely, 2^50435809 is an apocalyptic number.

It is an amenable number.

50435809 is a deficient number, since it is larger than the sum of its proper divisors (1).

50435809 is an equidigital number, since it uses as much as digits as its factorization.

50435809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 50435809 is about 7101.8173026346. The cubic root of 50435809 is about 369.4704110860.

The spelling of 50435809 in words is "fifty million, four hundred thirty-five thousand, eight hundred nine".