50545400538 has 16 divisors (see below), whose sum is σ = 103241669760. Its totient is φ = 16489988736.

The previous prime is 50545400537. The next prime is 50545400557. The reversal of 50545400538 is 83500454505.

It is a junction number, because it is equal to n+sod(n) for n = 50545400496 and 50545400505.

It is not an unprimeable number, because it can be changed into a prime (50545400537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89619223 + ... + 89619786.

It is an arithmetic number, because the mean of its divisors is an integer number (6452604360).

Almost surely, 2^50545400538 is an apocalyptic number.

50545400538 is an abundant number, since it is smaller than the sum of its proper divisors (52696269222).

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

50545400538 is a wasteful number, since it uses less digits than its factorization.

50545400538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179239061.

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 50545400538 in words is "fifty billion, five hundred forty-five million, four hundred thousand, five hundred thirty-eight".