52778813168 has 20 divisors (see below), whose sum is σ = 107641001160. Its totient is φ = 25000490304.

The previous prime is 52778813089. The next prime is 52778813179. The reversal of 52778813168 is 86131887725.

52778813168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86806955 + ... + 86807562.

It is an arithmetic number, because the mean of its divisors is an integer number (5382050058).

Almost surely, 2^52778813168 is an apocalyptic number.

It is an amenable number.

52778813168 is an abundant number, since it is smaller than the sum of its proper divisors (54862187992).

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

52778813168 is a wasteful number, since it uses less digits than its factorization.

52778813168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173614544 (or 173614538 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 56.

The spelling of 52778813168 in words is "fifty-two billion, seven hundred seventy-eight million, eight hundred thirteen thousand, one hundred sixty-eight".