50785439 has 2 divisors, whose sum is σ = 50785440. Its totient is φ = 50785438.

The previous prime is 50785391. The next prime is 50785463. The reversal of 50785439 is 93458705.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50785439 - 2²⁴ = 34008223 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 50785396 and 50785405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50785139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25392719 + 25392720.

It is an arithmetic number, because the mean of its divisors is an integer number (25392720).

Almost surely, 2^50785439 is an apocalyptic number.

50785439 is a deficient number, since it is larger than the sum of its proper divisors (1).

50785439 is an equidigital number, since it uses as much as digits as its factorization.

50785439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 50785439 is about 7126.3903204919. The cubic root of 50785439 is about 370.3221907497.

The spelling of 50785439 in words is "fifty million, seven hundred eighty-five thousand, four hundred thirty-nine".