50449247056 has 160 divisors (see below), whose sum is σ = 114817651200. Its totient is φ = 21263523840.

The previous prime is 50449247041. The next prime is 50449247059. The reversal of 50449247056 is 65074294405.

50449247056 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 = 50449246997 and 50449247015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50449247059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16479766 + ... + 16482826.

It is an arithmetic number, because the mean of its divisors is an integer number (717610320).

Almost surely, 2^50449247056 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 50449247056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57408825600).

50449247056 is an abundant number, since it is smaller than the sum of its proper divisors (64368404144).

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

50449247056 is a wasteful number, since it uses less digits than its factorization.

50449247056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237 (or 3231 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 50449247056 in words is "fifty billion, four hundred forty-nine million, two hundred forty-seven thousand, fifty-six".