50731672056 has 256 divisors, whose sum is σ = 145829376000. Its totient is φ = 14589020160.

The previous prime is 50731672031. The next prime is 50731672063. The reversal of 50731672056 is 65027613705.

It is a junction number, because it is equal to n+sod(n) for n = 50731671999 and 50731672017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61792126 + ... + 61792946.

It is an arithmetic number, because the mean of its divisors is an integer number (569646000).

Almost surely, 2^50731672056 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 50731672056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72914688000).

50731672056 is an abundant number, since it is smaller than the sum of its proper divisors (95097703944).

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

50731672056 is a wasteful number, since it uses less digits than its factorization.

50731672056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 50731672056 in words is "fifty billion, seven hundred thirty-one million, six hundred seventy-two thousand, fifty-six".