55110066 has 16 divisors (see below), whose sum is σ = 120240288. Its totient is φ = 16700000.

The previous prime is 55110061. The next prime is 55110067. The reversal of 55110066 is 66001155.

55110066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×55110066³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (55110061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417435 + ... + 417566.

It is an arithmetic number, because the mean of its divisors is an integer number (7515018).

Almost surely, 2^55110066 is an apocalyptic number.

55110066 is an abundant number, since it is smaller than the sum of its proper divisors (65130222).

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

55110066 is a wasteful number, since it uses less digits than its factorization.

55110066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835017.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 55110066 is about 7423.6154264617. The cubic root of 55110066 is about 380.5487593232.

The spelling of 55110066 in words is "fifty-five million, one hundred ten thousand, sixty-six".