50842239858 has 24 divisors (see below), whose sum is σ = 111395922300. Its totient is φ = 16756992384.

The previous prime is 50842239857. The next prime is 50842239863. The reversal of 50842239858 is 85893224805.

It is a happy number.

50842239858 is a `hidden beast` number, since 508 + 4 + 22 + 39 + 85 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 50680365129 + 161874729 = 225123^2 + 12723^2 .

It is not an unprimeable number, because it can be changed into a prime (50842239857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15866763 + ... + 15869966.

Almost surely, 2^50842239858 is an apocalyptic number.

50842239858 is an abundant number, since it is smaller than the sum of its proper divisors (60553682442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50842239858 is a wasteful number, since it uses less digits than its factorization.

50842239858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31736826 (or 31736823 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 54.

The spelling of 50842239858 in words is "fifty billion, eight hundred forty-two million, two hundred thirty-nine thousand, eight hundred fifty-eight".