5555055556 has 12 divisors (see below), whose sum is σ = 9886116240. Its totient is φ = 2730450920.

The previous prime is 5555055551. The next prime is 5555055563. The reversal of 5555055556 is 6555505555.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (5555055551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11768950 + ... + 11769421.

It is an arithmetic number, because the mean of its divisors is an integer number (823843020).

Almost surely, 2^5555055556 is an apocalyptic number.

It is an amenable number.

5555055556 is a deficient number, since it is larger than the sum of its proper divisors (4331060684).

5555055556 is a wasteful number, since it uses less digits than its factorization.

5555055556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23538434 (or 23538432 counting only the distinct ones).

The product of its (nonzero) digits is 2343750, while the sum is 46.

The square root of 5555055556 is about 74532.2450755376. The cubic root of 5555055556 is about 1771.0444808291.

The spelling of 5555055556 in words is "five billion, five hundred fifty-five million, fifty-five thousand, five hundred fifty-six".