5505555550505 has 32 divisors (see below), whose sum is σ = 6747341999904. Its totient is φ = 4311577092096.

The previous prime is 5505555550483. The next prime is 5505555550519. The reversal of 5505555550505 is 5050555555055.

5505555550505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 16 ways, for example, as 1351341150784 + 4154214399721 = 1162472^2 + 2038189^2 .

It is a cyclic number.

It is not a de Polignac number, because 5505555550505 - 2¹² = 5505555546409 is a prime.

It is a super-2 number, since 2×5505555550505² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 491693567 + ... + 491704763.

It is an arithmetic number, because the mean of its divisors is an integer number (210854437497).

Almost surely, 2^{5505555550505} is an apocalyptic number.

It is an amenable number.

5505555550505 is a deficient number, since it is larger than the sum of its proper divisors (1241786449399).

5505555550505 is a wasteful number, since it uses less digits than its factorization.

5505555550505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21245.

The product of its (nonzero) digits is 9765625, while the sum is 50.

It can be divided in two parts, 550555555050 and 5, that added together give a palindrome (550555555055).

The spelling of 5505555550505 in words is "five trillion, five hundred five billion, five hundred fifty-five million, five hundred fifty thousand, five hundred five".