50381839 has 2 divisors, whose sum is σ = 50381840. Its totient is φ = 50381838.

The previous prime is 50381831. The next prime is 50381861. The reversal of 50381839 is 93818305.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50381839 - 2³ = 50381831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50381798 and 50381807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50381831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25190919 + 25190920.

It is an arithmetic number, because the mean of its divisors is an integer number (25190920).

Almost surely, 2^50381839 is an apocalyptic number.

50381839 is a deficient number, since it is larger than the sum of its proper divisors (1).

50381839 is an equidigital number, since it uses as much as digits as its factorization.

50381839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 50381839 is about 7098.0165539396. The cubic root of 50381839 is about 369.3385772743.

The spelling of 50381839 in words is "fifty million, three hundred eighty-one thousand, eight hundred thirty-nine".