5506005561 has 16 divisors (see below), whose sum is σ = 8399164800. Its totient is φ = 3142891008.

The previous prime is 5506005553. The next prime is 5506005613. The reversal of 5506005561 is 1655006055.

5506005561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5506005561 - 2³ = 5506005553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5506005521) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 121606 + ... + 160623.

It is an arithmetic number, because the mean of its divisors is an integer number (524947800).

Almost surely, 2^5506005561 is an apocalyptic number.

It is an amenable number.

5506005561 is a deficient number, since it is larger than the sum of its proper divisors (2893159239).

5506005561 is a wasteful number, since it uses less digits than its factorization.

5506005561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283168.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 5506005561 is about 74202.4633081679. The cubic root of 5506005561 is about 1765.8164103932.

The spelling of 5506005561 in words is "five billion, five hundred six million, five thousand, five hundred sixty-one".