50635009 has 2 divisors, whose sum is σ = 50635010. Its totient is φ = 50635008.

The previous prime is 50635007. The next prime is 50635033. The reversal of 50635009 is 90053605.

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., 30636225 + 19998784 = 5535^2 + 4472^2 .

It is a cyclic number.

It is not a de Polignac number, because 50635009 - 2¹ = 50635007 is a prime.

Together with 50635007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50635001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25317504 + 25317505.

It is an arithmetic number, because the mean of its divisors is an integer number (25317505).

Almost surely, 2^50635009 is an apocalyptic number.

It is an amenable number.

50635009 is a deficient number, since it is larger than the sum of its proper divisors (1).

50635009 is an equidigital number, since it uses as much as digits as its factorization.

50635009 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 50635009 is about 7115.8280614416. The cubic root of 50635009 is about 369.9561891151.

The spelling of 50635009 in words is "fifty million, six hundred thirty-five thousand, nine".