53325244520 has 64 divisors (see below), whose sum is σ = 123362749440. Its totient is φ = 20732889600.

The previous prime is 53325244519. The next prime is 53325244541. The reversal of 53325244520 is 2544252335.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384449 + ... + 504431.

It is an arithmetic number, because the mean of its divisors is an integer number (1927542960).

Almost surely, 2^53325244520 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 53325244520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61681374720).

53325244520 is an abundant number, since it is smaller than the sum of its proper divisors (70037504920).

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

53325244520 is a wasteful number, since it uses less digits than its factorization.

53325244520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120306 (or 120302 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 53325244520 its reverse (2544252335), we get a palindrome (55869496855).

The spelling of 53325244520 in words is "fifty-three billion, three hundred twenty-five million, two hundred forty-four thousand, five hundred twenty".