52243212100 has 54 divisors (see below), whose sum is σ = 115257546222. Its totient is φ = 20554560000.

The previous prime is 52243212071. The next prime is 52243212127. The reversal of 52243212100 is 121234225.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 51743510784 + 499701316 = 227472^2 + 22354^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 301900 + ... + 442300.

Almost surely, 2^52243212100 is an apocalyptic number.

52243212100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52243212100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57628773111).

52243212100 is an abundant number, since it is smaller than the sum of its proper divisors (63014334122).

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

52243212100 is a wasteful number, since it uses less digits than its factorization.

52243212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140537 (or 140469 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 52243212100 its reverse (121234225), we get a palindrome (52364446325).

The spelling of 52243212100 in words is "fifty-two billion, two hundred forty-three million, two hundred twelve thousand, one hundred".