5505055505001 has 18 divisors (see below), whose sum is σ = 8610471433278. Its totient is φ = 3387726463680.

The previous prime is 5505055504951. The next prime is 5505055505009. The reversal of 5505055505001 is 1005055505055.

It is a happy number.

5505055505001 is a `hidden beast` number, since 5 + 5 + 0 + 50 + 5 + 550 + 50 + 0 + 1 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 29694182400 + 5475361322601 = 172320^2 + 2339949^2 .

It is not a de Polignac number, because 5505055505001 - 2⁷ = 5505055504873 is a prime.

It is a super-2 number, since 2×5505055505001² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5505055505009) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1809681420 + ... + 1809684461.

It is an arithmetic number, because the mean of its divisors is an integer number (478359524071).

Almost surely, 2^{5505055505001} is an apocalyptic number.

It is an amenable number.

5505055505001 is a deficient number, since it is larger than the sum of its proper divisors (3105415928277).

5505055505001 is a wasteful number, since it uses less digits than its factorization.

5505055505001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3619365913 (or 3619365897 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

It can be divided in two parts, 550505 and 5505001, that added together give a palindrome (6055506).

The spelling of 5505055505001 in words is "five trillion, five hundred five billion, fifty-five million, five hundred five thousand, one".