52021243230 has 256 divisors, whose sum is σ = 145716019200. Its totient is φ = 11851804800.

The previous prime is 52021243187. The next prime is 52021243231. The reversal of 52021243230 is 3234212025.

It is a self number, because there is not a number n which added to its sum of digits gives 52021243230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52021243231) 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 127 ways as a sum of consecutive naturals, for example, 144905791 + ... + 144906149.

It is an arithmetic number, because the mean of its divisors is an integer number (569203200).

Almost surely, 2^52021243230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52021243230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72858009600).

52021243230 is an abundant number, since it is smaller than the sum of its proper divisors (93694775970).

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

52021243230 is a wasteful number, since it uses less digits than its factorization.

52021243230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 52021243230 its reverse (3234212025), we get a palindrome (55255455255).

The spelling of 52021243230 in words is "fifty-two billion, twenty-one million, two hundred forty-three thousand, two hundred thirty".