55000066066066 has 128 divisors (see below), whose sum is σ = 93851741491200. Its totient is φ = 24157018670400.

The previous prime is 55000066066063. The next prime is 55000066066097. The reversal of 55000066066066 is 66066066000055.

55000066066066 is a modest number, since divided by 66066066 gives 55000 as remainder.

It is not an unprimeable number, because it can be changed into a prime (55000066066063) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8970811821 + ... + 8970817951.

It is an arithmetic number, because the mean of its divisors is an integer number (733216730400).

Almost surely, 2^{55000066066066} is an apocalyptic number.

55000066066066 is a deficient number, since it is larger than the sum of its proper divisors (38851675425134).

55000066066066 is a wasteful number, since it uses less digits than its factorization.

55000066066066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7037 (or 7015 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 55000066066066 in words is "fifty-five trillion, sixty-six million, sixty-six thousand, sixty-six".