52021343352 has 128 divisors (see below), whose sum is σ = 143231120640. Its totient is φ = 15614177280.

The previous prime is 52021343329. The next prime is 52021343377. The reversal of 52021343352 is 25334312025.

52021343352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14380648 + ... + 14384264.

It is an arithmetic number, because the mean of its divisors is an integer number (1118993130).

Almost surely, 2^52021343352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52021343352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71615560320).

52021343352 is an abundant number, since it is smaller than the sum of its proper divisors (91209777288).

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

52021343352 is a wasteful number, since it uses less digits than its factorization.

52021343352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141 (or 4137 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 52021343352 its reverse (25334312025), we get a palindrome (77355655377).

The spelling of 52021343352 in words is "fifty-two billion, twenty-one million, three hundred forty-three thousand, three hundred fifty-two".