50753809 has 2 divisors, whose sum is σ = 50753810. Its totient is φ = 50753808.

The previous prime is 50753783. The next prime is 50753819. The reversal of 50753809 is 90835705.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46036225 + 4717584 = 6785^2 + 2172^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50753809 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50753819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25376904 + 25376905.

It is an arithmetic number, because the mean of its divisors is an integer number (25376905).

Almost surely, 2^50753809 is an apocalyptic number.

It is an amenable number.

50753809 is a deficient number, since it is larger than the sum of its proper divisors (1).

50753809 is an equidigital number, since it uses as much as digits as its factorization.

50753809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 50753809 is about 7124.1707587620. The cubic root of 50753809 is about 370.2452938825.

The spelling of 50753809 in words is "fifty million, seven hundred fifty-three thousand, eight hundred nine".