50694656880 has 640 divisors, whose sum is σ = 196192585728. Its totient is φ = 10566107136.

The previous prime is 50694656879. The next prime is 50694656911. The reversal of 50694656880 is 8865649605.

It is a happy number.

50694656880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 50694656880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 161963604 + ... + 161963916.

Almost surely, 2^50694656880 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 50694656880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98096292864).

50694656880 is an abundant number, since it is smaller than the sum of its proper divisors (145497928848).

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

50694656880 is a wasteful number, since it uses less digits than its factorization.

50694656880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 57.

The spelling of 50694656880 in words is "fifty billion, six hundred ninety-four million, six hundred fifty-six thousand, eight hundred eighty".