5561438848 has 96 divisors (see below), whose sum is σ = 13010336640. Its totient is φ = 2360913408.

The previous prime is 5561438791. The next prime is 5561438867. The reversal of 5561438848 is 8488341655.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5561438795 and 5561438804.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 666961 + ... + 675247.

It is an arithmetic number, because the mean of its divisors is an integer number (135524340).

Almost surely, 2^5561438848 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 5561438848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6505168320).

5561438848 is an abundant number, since it is smaller than the sum of its proper divisors (7448897792).

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

5561438848 is a wasteful number, since it uses less digits than its factorization.

5561438848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8422 (or 8403 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 52.

The square root of 5561438848 is about 74575.0551323967. The cubic root of 5561438848 is about 1771.7225878556.

The spelling of 5561438848 in words is "five billion, five hundred sixty-one million, four hundred thirty-eight thousand, eight hundred forty-eight".