52368715845 has 12 divisors (see below), whose sum is σ = 90772440876. Its totient is φ = 27929981760.

The previous prime is 52368715843. The next prime is 52368715853. The reversal of 52368715845 is 54851786325.

52368715845 is a `hidden beast` number, since 52 + 3 + 6 + 8 + 7 + 1 + 584 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19810844001 + 32557871844 = 140751^2 + 180438^2 .

It is not a de Polignac number, because 52368715845 - 2¹ = 52368715843 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52368715791 and 52368715800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52368715843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 581874576 + ... + 581874665.

It is an arithmetic number, because the mean of its divisors is an integer number (7564370073).

Almost surely, 2^52368715845 is an apocalyptic number.

It is an amenable number.

52368715845 is a deficient number, since it is larger than the sum of its proper divisors (38403725031).

52368715845 is a wasteful number, since it uses less digits than its factorization.

52368715845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163749252 (or 1163749249 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 54.

The spelling of 52368715845 in words is "fifty-two billion, three hundred sixty-eight million, seven hundred fifteen thousand, eight hundred forty-five".