5500555550405 has 8 divisors (see below), whose sum is σ = 6624495783672. Its totient is φ = 4384558358208.

The previous prime is 5500555550353. The next prime is 5500555550423. The reversal of 5500555550405 is 5040555550055.

It can be written as a sum of positive squares in 4 ways, for example, as 8314886596 + 5492240663809 = 91186^2 + 2343553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5500555550405 - 2⁶ = 5500555550341 is a prime.

It is a super-2 number, since 2×5500555550405² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1985758742 + ... + 1985761511.

It is an arithmetic number, because the mean of its divisors is an integer number (828061972959).

Almost surely, 2^{5500555550405} is an apocalyptic number.

It is an amenable number.

5500555550405 is a deficient number, since it is larger than the sum of its proper divisors (1123940233267).

5500555550405 is a wasteful number, since it uses less digits than its factorization.

5500555550405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971520535.

The product of its (nonzero) digits is 1562500, while the sum is 44.

The spelling of 5500555550405 in words is "five trillion, five hundred billion, five hundred fifty-five million, five hundred fifty thousand, four hundred five".