55506555066 has 8 divisors (see below), whose sum is σ = 111013110144. Its totient is φ = 18502185020.

The previous prime is 55506555029. The next prime is 55506555073. The reversal of 55506555066 is 66055560555.

It is a sphenic number, since it is the product of 3 distinct primes.

55506555066 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4625546250 + ... + 4625546261.

It is an arithmetic number, because the mean of its divisors is an integer number (13876638768).

Almost surely, 2^55506555066 is an apocalyptic number.

55506555066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55506555066 is a wasteful number, since it uses less digits than its factorization.

55506555066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9251092516.

The product of its (nonzero) digits is 3375000, while the sum is 48.

The spelling of 55506555066 in words is "fifty-five billion, five hundred six million, five hundred fifty-five thousand, sixty-six".