50036509 has 2 divisors, whose sum is σ = 50036510. Its totient is φ = 50036508.

The previous prime is 50036507. The next prime is 50036521. The reversal of 50036509 is 90563005.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38713284 + 11323225 = 6222^2 + 3365^2 .

It is a cyclic number.

It is not a de Polignac number, because 50036509 - 2¹ = 50036507 is a prime.

Together with 50036507, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50036501) 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, 25018254 + 25018255.

It is an arithmetic number, because the mean of its divisors is an integer number (25018255).

Almost surely, 2^50036509 is an apocalyptic number.

It is an amenable number.

50036509 is a deficient number, since it is larger than the sum of its proper divisors (1).

50036509 is an equidigital number, since it uses as much as digits as its factorization.

50036509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 50036509 is about 7073.6489169311. The cubic root of 50036509 is about 368.4927949192.

The spelling of 50036509 in words is "fifty million, thirty-six thousand, five hundred nine".