5555505553 has 24 divisors (see below), whose sum is σ = 6222598200. Its totient is φ = 4930308096.

The previous prime is 5555505533. The next prime is 5555505559. The reversal of 5555505553 is 3555055555.

It can be written as a sum of positive squares in 12 ways, for example, as 3057205264 + 2498300289 = 55292^2 + 49983^2 .

It is not a de Polignac number, because 5555505553 - 2⁹ = 5555505041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5555505559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2940033 + ... + 2941921.

It is an arithmetic number, because the mean of its divisors is an integer number (259274925).

Almost surely, 2^5555505553 is an apocalyptic number.

It is an amenable number.

5555505553 is a deficient number, since it is larger than the sum of its proper divisors (667092647).

5555505553 is a wasteful number, since it uses less digits than its factorization.

5555505553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229 (or 2200 counting only the distinct ones).

The product of its (nonzero) digits is 1171875, while the sum is 43.

The square root of 5555505553 is about 74535.2638218984. The cubic root of 5555505553 is about 1771.0923017240.

The spelling of 5555505553 in words is "five billion, five hundred fifty-five million, five hundred five thousand, five hundred fifty-three".