53243203312 has 240 divisors, whose sum is σ = 124621398720. Its totient is φ = 21802475520.

The previous prime is 53243203301. The next prime is 53243203319. The reversal of 53243203312 is 21330234235.

53243203312 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 not an unprimeable number, because it can be changed into a prime (53243203319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 516924253 + ... + 516924355.

It is an arithmetic number, because the mean of its divisors is an integer number (519255828).

Almost surely, 2^53243203312 is an apocalyptic number.

53243203312 is a gapful number since it is divisible by the number (52) 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 53243203312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62310699360).

53243203312 is an abundant number, since it is smaller than the sum of its proper divisors (71378195408).

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

53243203312 is a wasteful number, since it uses less digits than its factorization.

53243203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 28.

Adding to 53243203312 its reverse (21330234235), we get a palindrome (74573437547).

The spelling of 53243203312 in words is "fifty-three billion, two hundred forty-three million, two hundred three thousand, three hundred twelve".