6555555055 has 16 divisors (see below), whose sum is σ = 9059111424. Its totient is φ = 4460919840.

The previous prime is 6555555043. The next prime is 6555555103. The reversal of 6555555055 is 5505555556.

It is a happy number.

It is not a de Polignac number, because 6555555055 - 2⁵ = 6555555023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6555554996 and 6555555014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710307 + ... + 719476.

It is an arithmetic number, because the mean of its divisors is an integer number (566194464).

Almost surely, 2^6555555055 is an apocalyptic number.

6555555055 is a deficient number, since it is larger than the sum of its proper divisors (2503556369).

6555555055 is a wasteful number, since it uses less digits than its factorization.

6555555055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429926.

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

The square root of 6555555055 is about 80966.3822521422. The cubic root of 6555555055 is about 1871.5574216990.

The spelling of 6555555055 in words is "six billion, five hundred fifty-five million, five hundred fifty-five thousand, fifty-five".