50431315144 has 64 divisors (see below), whose sum is σ = 111116966400. Its totient is φ = 21010938624.

The previous prime is 50431315139. The next prime is 50431315153. The reversal of 50431315144 is 44151313405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245569 + ... + 401455.

It is an arithmetic number, because the mean of its divisors is an integer number (1736202600).

Almost surely, 2^50431315144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50431315144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55558483200).

50431315144 is an abundant number, since it is smaller than the sum of its proper divisors (60685651256).

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

50431315144 is a wasteful number, since it uses less digits than its factorization.

50431315144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156062 (or 156058 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 50431315144 its reverse (44151313405), we get a palindrome (94582628549).

The spelling of 50431315144 in words is "fifty billion, four hundred thirty-one million, three hundred fifteen thousand, one hundred forty-four".