50816609 has 2 divisors, whose sum is σ = 50816610. Its totient is φ = 50816608.

The previous prime is 50816569. The next prime is 50816627. The reversal of 50816609 is 90661805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33965584 + 16851025 = 5828^2 + 4105^2 .

It is a cyclic number.

It is not a de Polignac number, because 50816609 - 2¹² = 50812513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50816639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25408304 + 25408305.

It is an arithmetic number, because the mean of its divisors is an integer number (25408305).

Almost surely, 2^50816609 is an apocalyptic number.

It is an amenable number.

50816609 is a deficient number, since it is larger than the sum of its proper divisors (1).

50816609 is an equidigital number, since it uses as much as digits as its factorization.

50816609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 50816609 is about 7128.5769267084. The cubic root of 50816609 is about 370.3979380649.

The spelling of 50816609 in words is "fifty million, eight hundred sixteen thousand, six hundred nine".