52777221752 has 16 divisors (see below), whose sum is σ = 104778308160. Its totient is φ = 24836339584.

The previous prime is 52777221727. The next prime is 52777221767. The reversal of 52777221752 is 25712277725.

It is a happy number.

52777221752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52777221697 and 52777221706.

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, 194033768 + ... + 194034039.

It is an arithmetic number, because the mean of its divisors is an integer number (6548644260).

Almost surely, 2^52777221752 is an apocalyptic number.

It is an amenable number.

52777221752 is a deficient number, since it is larger than the sum of its proper divisors (52001086408).

52777221752 is a wasteful number, since it uses less digits than its factorization.

52777221752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388067830 (or 388067826 counting only the distinct ones).

The product of its digits is 960400, while the sum is 47.

The spelling of 52777221752 in words is "fifty-two billion, seven hundred seventy-seven million, two hundred twenty-one thousand, seven hundred fifty-two".