52404205005520 has 20 divisors (see below), whose sum is σ = 121839776638020. Its totient is φ = 20961682002176.

The previous prime is 52404205005491. The next prime is 52404205005541. The reversal of 52404205005520 is 2550050240425.

It can be written as a sum of positive squares in 2 ways, for example, as 6978600023616 + 45425604981904 = 2641704^2 + 6739852^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327526281205 + ... + 327526281364.

It is an arithmetic number, because the mean of its divisors is an integer number (6091988831901).

Almost surely, 2^{52404205005520} is an apocalyptic number.

It is an amenable number.

52404205005520 is an abundant number, since it is smaller than the sum of its proper divisors (69435571632500).

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

52404205005520 is a wasteful number, since it uses less digits than its factorization.

52404205005520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655052562582 (or 655052562576 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 34.

Adding to 52404205005520 its reverse (2550050240425), we get a palindrome (54954255245945).

The spelling of 52404205005520 in words is "fifty-two trillion, four hundred four billion, two hundred five million, five thousand, five hundred twenty".