50043809 has 2 divisors, whose sum is σ = 50043810. Its totient is φ = 50043808.

The previous prime is 50043803. The next prime is 50043817. The reversal of 50043809 is 90834005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50013184 + 30625 = 7072^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 50043809 - 2¹⁶ = 49978273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50043803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25021904 + 25021905.

It is an arithmetic number, because the mean of its divisors is an integer number (25021905).

Almost surely, 2^50043809 is an apocalyptic number.

It is an amenable number.

50043809 is a deficient number, since it is larger than the sum of its proper divisors (1).

50043809 is an equidigital number, since it uses as much as digits as its factorization.

50043809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 50043809 is about 7074.1648977105. The cubic root of 50043809 is about 368.5107142788.

The spelling of 50043809 in words is "fifty million, forty-three thousand, eight hundred nine".