53325444620 has 72 divisors (see below), whose sum is σ = 137929218336. Its totient is φ = 17207533056.

The previous prime is 53325444619. The next prime is 53325444643. The reversal of 53325444620 is 2644452335.

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 23 ways as a sum of consecutive naturals, for example, 1583744 + ... + 1617063.

It is an arithmetic number, because the mean of its divisors is an integer number (1915683588).

Almost surely, 2^53325444620 is an apocalyptic number.

It is an amenable number.

53325444620 is an abundant number, since it is smaller than the sum of its proper divisors (84603773716).

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

53325444620 is a wasteful number, since it uses less digits than its factorization.

53325444620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200847 (or 3200838 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 53325444620 its reverse (2644452335), we get a palindrome (55969896955).

The spelling of 53325444620 in words is "fifty-three billion, three hundred twenty-five million, four hundred forty-four thousand, six hundred twenty".