5521522004442 has 96 divisors (see below), whose sum is σ = 13109480776080. Its totient is φ = 1671786547200.

The previous prime is 5521522004423. The next prime is 5521522004533. The reversal of 5521522004442 is 2444002251255.

5521522004442 is a `hidden beast` number, since 5 + 5 + 2 + 1 + 5 + 2 + 200 + 4 + 442 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 3114310797081 + 2407211207361 = 1764741^2 + 1551519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5521522004397 and 5521522004406.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20569692 + ... + 20836392.

Almost surely, 2^{5521522004442} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5521522004442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6554740388040).

5521522004442 is an abundant number, since it is smaller than the sum of its proper divisors (7587958771638).

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

5521522004442 is a wasteful number, since it uses less digits than its factorization.

5521522004442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269088 (or 269085 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 5521522004442 its reverse (2444002251255), we get a palindrome (7965524255697).

The spelling of 5521522004442 in words is "five trillion, five hundred twenty-one billion, five hundred twenty-two million, four thousand, four hundred forty-two".