50678147808 has 144 divisors (see below), whose sum is σ = 147548471616. Its totient is φ = 16492170240.

The previous prime is 50678147797. The next prime is 50678147809. The reversal of 50678147808 is 80874187605.

It is a happy number.

50678147808 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 (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50678147809) 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, 5694210 + ... + 5703102.

It is an arithmetic number, because the mean of its divisors is an integer number (1024642164).

Almost surely, 2^50678147808 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 50678147808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73774235808).

50678147808 is an abundant number, since it is smaller than the sum of its proper divisors (96870323808).

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

50678147808 is a wasteful number, since it uses less digits than its factorization.

50678147808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9377 (or 9366 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The spelling of 50678147808 in words is "fifty billion, six hundred seventy-eight million, one hundred forty-seven thousand, eight hundred eight".