5505555668 has 12 divisors (see below), whose sum is σ = 9750804000. Its totient is φ = 2719611672.

The previous prime is 5505555661. The next prime is 5505555703. The reversal of 5505555668 is 8665555055.

It is a super-2 number, since 2×5505555668² = 60622286426893852448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5505555661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8291168 + ... + 8291831.

It is an arithmetic number, because the mean of its divisors is an integer number (812567000).

Almost surely, 2^5505555668 is an apocalyptic number.

It is an amenable number.

5505555668 is a deficient number, since it is larger than the sum of its proper divisors (4245248332).

5505555668 is a wasteful number, since it uses less digits than its factorization.

5505555668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16583086 (or 16583084 counting only the distinct ones).

The product of its (nonzero) digits is 4500000, while the sum is 50.

The square root of 5505555668 is about 74199.4317228912. The cubic root of 5505555668 is about 1765.7683144204.

The spelling of 5505555668 in words is "five billion, five hundred five million, five hundred fifty-five thousand, six hundred sixty-eight".