50575909 has 2 divisors, whose sum is σ = 50575910. Its totient is φ = 50575908.

The previous prime is 50575907. The next prime is 50575937. The reversal of 50575909 is 90957505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45603009 + 4972900 = 6753^2 + 2230^2 .

It is a cyclic number.

It is not a de Polignac number, because 50575909 - 2¹ = 50575907 is a prime.

Together with 50575907, 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 (50575907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25287954 + 25287955.

It is an arithmetic number, because the mean of its divisors is an integer number (25287955).

Almost surely, 2^50575909 is an apocalyptic number.

It is an amenable number.

50575909 is a deficient number, since it is larger than the sum of its proper divisors (1).

50575909 is an equidigital number, since it uses as much as digits as its factorization.

50575909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70875, while the sum is 40.

The square root of 50575909 is about 7111.6741348293. The cubic root of 50575909 is about 369.8121983382.

The spelling of 50575909 in words is "fifty million, five hundred seventy-five thousand, nine hundred nine".