5506055555509 has 16 divisors (see below), whose sum is σ = 5736588802560. Its totient is φ = 5278965120000.

The previous prime is 5506055555471. The next prime is 5506055555527. The reversal of 5506055555509 is 9055555506055.

It is a cyclic number.

It is not a de Polignac number, because 5506055555509 - 2¹⁹ = 5506055031221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5506055555509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5506055555579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1312677 + ... + 3568645.

It is an arithmetic number, because the mean of its divisors is an integer number (358536800160).

Almost surely, 2^{5506055555509} is an apocalyptic number.

It is an amenable number.

5506055555509 is a deficient number, since it is larger than the sum of its proper divisors (230533247051).

5506055555509 is a wasteful number, since it uses less digits than its factorization.

5506055555509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256732.

The product of its (nonzero) digits is 21093750, while the sum is 55.

The spelling of 5506055555509 in words is "five trillion, five hundred six billion, fifty-five million, five hundred fifty-five thousand, five hundred nine".