52656322163 has 16 divisors (see below), whose sum is σ = 57523564800. Its totient is φ = 48009739680.

The previous prime is 52656322157. The next prime is 52656322171. The reversal of 52656322163 is 36122365625.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52656322163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52656322163.

It is not an unprimeable number, because it can be changed into a prime (52656322363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17720 + ... + 325002.

It is an arithmetic number, because the mean of its divisors is an integer number (3595222800).

Almost surely, 2^52656322163 is an apocalyptic number.

52656322163 is a deficient number, since it is larger than the sum of its proper divisors (4867242637).

52656322163 is a wasteful number, since it uses less digits than its factorization.

52656322163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307642.

The product of its digits is 388800, while the sum is 41.

Adding to 52656322163 its reverse (36122365625), we get a palindrome (88778687788).

The spelling of 52656322163 in words is "fifty-two billion, six hundred fifty-six million, three hundred twenty-two thousand, one hundred sixty-three".