52217724813860 has 96 divisors (see below), whose sum is σ = 112210952404320. Its totient is φ = 20406185791488.

The previous prime is 52217724813853. The next prime is 52217724813869. The reversal of 52217724813860 is 6831842771225.

It is a happy number.

52217724813860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 1781707057636 + 50436017756224 = 1334806^2 + 7101832^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52217724813796 and 52217724813805.

It is not an unprimeable number, because it can be changed into a prime (52217724813869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 585113162 + ... + 585202398.

It is an arithmetic number, because the mean of its divisors is an integer number (1168864087545).

Almost surely, 2^{52217724813860} is an apocalyptic number.

It is an amenable number.

52217724813860 is an abundant number, since it is smaller than the sum of its proper divisors (59993227590460).

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

52217724813860 is a wasteful number, since it uses less digits than its factorization.

52217724813860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93105 (or 93103 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 52217724813860 in words is "fifty-two trillion, two hundred seventeen billion, seven hundred twenty-four million, eight hundred thirteen thousand, eight hundred sixty".