55510605555 has 32 divisors (see below), whose sum is σ = 88992172800. Its totient is φ = 29547330432.

The previous prime is 55510605503. The next prime is 55510605587. The reversal of 55510605555 is 55550601555.

It is not a de Polignac number, because 55510605555 - 2²⁰ = 55509556979 is a prime.

It is a super-3 number, since 3×55510605555³ (a number of 33 digits) contains 333 as substring.

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, 29107912 + ... + 29109818.

It is an arithmetic number, because the mean of its divisors is an integer number (2781005400).

Almost surely, 2^55510605555 is an apocalyptic number.

55510605555 is a deficient number, since it is larger than the sum of its proper divisors (33481567245).

55510605555 is a wasteful number, since it uses less digits than its factorization.

55510605555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4723.

The product of its (nonzero) digits is 468750, while the sum is 42.

The spelling of 55510605555 in words is "fifty-five billion, five hundred ten million, six hundred five thousand, five hundred fifty-five".