50396609 has 2 divisors, whose sum is σ = 50396610. Its totient is φ = 50396608.

The previous prime is 50396603. The next prime is 50396629. The reversal of 50396609 is 90669305.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28569025 + 21827584 = 5345^2 + 4672^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50396609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (50396603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25198304 + 25198305.

It is an arithmetic number, because the mean of its divisors is an integer number (25198305).

Almost surely, 2^50396609 is an apocalyptic number.

It is an amenable number.

50396609 is a deficient number, since it is larger than the sum of its proper divisors (1).

50396609 is an equidigital number, since it uses as much as digits as its factorization.

50396609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 50396609 is about 7099.0569091958. The cubic root of 50396609 is about 369.3746656605.

The spelling of 50396609 in words is "fifty million, three hundred ninety-six thousand, six hundred nine".