50456839 has 4 divisors (see below), whose sum is σ = 52196760. Its totient is φ = 48716920.

The previous prime is 50456807. The next prime is 50456843. The reversal of 50456839 is 93865405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93865405 = 5 ⋅18773081.

It is a cyclic number.

It is not a de Polignac number, because 50456839 - 2⁵ = 50456807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50456869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869917 + ... + 869974.

It is an arithmetic number, because the mean of its divisors is an integer number (13049190).

Almost surely, 2^50456839 is an apocalyptic number.

50456839 is a deficient number, since it is larger than the sum of its proper divisors (1739921).

50456839 is a wasteful number, since it uses less digits than its factorization.

50456839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739920.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 50456839 is about 7103.2977552683. The cubic root of 50456839 is about 369.5217561073.

The spelling of 50456839 in words is "fifty million, four hundred fifty-six thousand, eight hundred thirty-nine".