50769442656 has 192 divisors, whose sum is σ = 156382410240. Its totient is φ = 15991810560.

The previous prime is 50769442637. The next prime is 50769442687. The reversal of 50769442656 is 65624496705.

50769442656 is a `hidden beast` number, since 507 + 6 + 94 + 42 + 6 + 5 + 6 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1633986 + ... + 1664766.

It is an arithmetic number, because the mean of its divisors is an integer number (814491720).

Almost surely, 2^50769442656 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 50769442656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78191205120).

50769442656 is an abundant number, since it is smaller than the sum of its proper divisors (105612967584).

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

50769442656 is a wasteful number, since it uses less digits than its factorization.

50769442656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30906 (or 30892 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 50769442656 in words is "fifty billion, seven hundred sixty-nine million, four hundred forty-two thousand, six hundred fifty-six".