50231135388 has 36 divisors (see below), whose sum is σ = 136341654792. Its totient is φ = 14351752800.

The previous prime is 50231135387. The next prime is 50231135399. The reversal of 50231135388 is 88353113205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50231135387) 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, 42712963 + ... + 42714138.

Almost surely, 2^50231135388 is an apocalyptic number.

It is an amenable number.

50231135388 is an abundant number, since it is smaller than the sum of its proper divisors (86110519404).

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

50231135388 is a wasteful number, since it uses less digits than its factorization.

50231135388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85427122 (or 85427113 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

It can be divided in two parts, 5023 and 1135388, that added together give a palindrome (1140411).

The spelling of 50231135388 in words is "fifty billion, two hundred thirty-one million, one hundred thirty-five thousand, three hundred eighty-eight".