50551839 has 12 divisors (see below), whose sum is σ = 78636376. Its totient is φ = 31108752.

The previous prime is 50551819. The next prime is 50551871. The reversal of 50551839 is 93815505.

It is a happy number.

50551839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50551839 - 2¹⁵ = 50519071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50551819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215917 + ... + 216150.

Almost surely, 2^50551839 is an apocalyptic number.

50551839 is a deficient number, since it is larger than the sum of its proper divisors (28084537).

50551839 is a wasteful number, since it uses less digits than its factorization.

50551839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432086 (or 432083 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 50551839 is about 7109.9816455459. The cubic root of 50551839 is about 369.7535222329.

The spelling of 50551839 in words is "fifty million, five hundred fifty-one thousand, eight hundred thirty-nine".