52217778162 has 32 divisors (see below), whose sum is σ = 116579232000. Its totient is φ = 15455578320.

The previous prime is 52217778161. The next prime is 52217778169. The reversal of 52217778162 is 26187771225.

It is not an unprimeable number, because it can be changed into a prime (52217778161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9196912 + ... + 9202587.

It is an arithmetic number, because the mean of its divisors is an integer number (3643101000).

Almost surely, 2^52217778162 is an apocalyptic number.

52217778162 is an abundant number, since it is smaller than the sum of its proper divisors (64361453838).

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

52217778162 is a wasteful number, since it uses less digits than its factorization.

52217778162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18399558.

The product of its digits is 658560, while the sum is 48.

The spelling of 52217778162 in words is "fifty-two billion, two hundred seventeen million, seven hundred seventy-eight thousand, one hundred sixty-two".