5506638366055 has 16 divisors (see below), whose sum is σ = 6645717731520. Its totient is φ = 4380208019968.

The previous prime is 5506638365959. The next prime is 5506638366059.

It is a happy number.

5506638366055 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 5506638366055 - 2¹⁹ = 5506637841767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5506638366059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3393202 + ... + 4746271.

It is an arithmetic number, because the mean of its divisors is an integer number (415357358220).

Almost surely, 2^{5506638366055} is an apocalyptic number.

5506638366055 is a deficient number, since it is larger than the sum of its proper divisors (1139079365465).

5506638366055 is a wasteful number, since it uses less digits than its factorization.

5506638366055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8140250.

The product of its (nonzero) digits is 58320000, while the sum is 58.

The spelling of 5506638366055 in words is "five trillion, five hundred six billion, six hundred thirty-eight million, three hundred sixty-six thousand, fifty-five".