50844809 has 2 divisors, whose sum is σ = 50844810. Its totient is φ = 50844808.

The previous prime is 50844799. The next prime is 50844821. The reversal of 50844809 is 90844805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49392784 + 1452025 = 7028^2 + 1205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50844809 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50844839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25422404 + 25422405.

It is an arithmetic number, because the mean of its divisors is an integer number (25422405).

Almost surely, 2^50844809 is an apocalyptic number.

It is an amenable number.

50844809 is a deficient number, since it is larger than the sum of its proper divisors (1).

50844809 is an equidigital number, since it uses as much as digits as its factorization.

50844809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 50844809 is about 7130.5546067610. The cubic root of 50844809 is about 370.4664411948.

The spelling of 50844809 in words is "fifty million, eight hundred forty-four thousand, eight hundred nine".