52218648196 has 243 divisors, whose sum is σ = 118051281327. Its totient is φ = 20182356480.

The previous prime is 52218648191. The next prime is 52218648197. The reversal of 52218648196 is 69184681225.

The square root of 52218648196 is 228514.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 471497796 + 51747150400 = 21714^2 + 227480^2 .

It is a super-2 number, since 2×52218648196² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a Duffinian number.

Its product of digits (1658880) is a multiple of the sum of its prime divisors (90).

It is not an unprimeable number, because it can be changed into a prime (52218648191) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1111035045 + ... + 1111035091.

Almost surely, 2^52218648196 is an apocalyptic number.

52218648196 is the 228514-th square number.

It is an amenable number.

52218648196 is an abundant number, since it is smaller than the sum of its proper divisors (65832633131).

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

52218648196 is a wasteful number, since it uses less digits than its factorization.

52218648196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 90 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 52.

The spelling of 52218648196 in words is "fifty-two billion, two hundred eighteen million, six hundred forty-eight thousand, one hundred ninety-six".