50401290538 has 16 divisors (see below), whose sum is σ = 81082516320. Its totient is φ = 23423836176.

The previous prime is 50401290521. The next prime is 50401290601. The reversal of 50401290538 is 83509210405.

50401290538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 50401290497 and 50401290506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12510720 + ... + 12514747.

It is an arithmetic number, because the mean of its divisors is an integer number (5067657270).

Almost surely, 2^50401290538 is an apocalyptic number.

50401290538 is a deficient number, since it is larger than the sum of its proper divisors (30681225782).

50401290538 is a wasteful number, since it uses less digits than its factorization.

50401290538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25025541.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 50401290538 in words is "fifty billion, four hundred one million, two hundred ninety thousand, five hundred thirty-eight".