52805752480 has 48 divisors (see below), whose sum is σ = 134350025544. Its totient is φ = 19497507840.

The previous prime is 52805752471. The next prime is 52805752481. The reversal of 52805752480 is 8425750825.

It can be written as a sum of positive squares in 4 ways, for example, as 47924215056 + 4881537424 = 218916^2 + 69868^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52805752480.

It is not an unprimeable number, because it can be changed into a prime (52805752481) 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 7 ways as a sum of consecutive naturals, for example, 12691611 + ... + 12695770.

Almost surely, 2^52805752480 is an apocalyptic number.

It is an amenable number.

52805752480 is an abundant number, since it is smaller than the sum of its proper divisors (81544273064).

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

52805752480 is a wasteful number, since it uses less digits than its factorization.

52805752480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25387409 (or 25387401 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 46.

The spelling of 52805752480 in words is "fifty-two billion, eight hundred five million, seven hundred fifty-two thousand, four hundred eighty".