50507664768 has 192 divisors, whose sum is σ = 167881306320. Its totient is φ = 14404976640.

The previous prime is 50507664763. The next prime is 50507664799. The reversal of 50507664768 is 86746670505.

50507664768 is a `hidden beast` number, since 5 + 0 + 507 + 6 + 64 + 76 + 8 = 666.

50507664768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50507664761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98196 + ... + 332652.

Almost surely, 2^50507664768 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 50507664768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83940653160).

50507664768 is an abundant number, since it is smaller than the sum of its proper divisors (117373641552).

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

50507664768 is a wasteful number, since it uses less digits than its factorization.

50507664768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234505 (or 234490 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 50507664768 in words is "fifty billion, five hundred seven million, six hundred sixty-four thousand, seven hundred sixty-eight".