55066065 has 8 divisors (see below), whose sum is σ = 88105728. Its totient is φ = 29368560.

The previous prime is 55066061. The next prime is 55066069. The reversal of 55066065 is 56066055.

55066065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55066061) and next prime (55066069).

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

It is not a de Polignac number, because 55066065 - 2² = 55066061 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55066061) 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, 1835521 + ... + 1835550.

It is an arithmetic number, because the mean of its divisors is an integer number (11013216).

Almost surely, 2^55066065 is an apocalyptic number.

It is an amenable number.

55066065 is a deficient number, since it is larger than the sum of its proper divisors (33039663).

55066065 is a wasteful number, since it uses less digits than its factorization.

55066065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671079.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 55066065 is about 7420.6512517433. The cubic root of 55066065 is about 380.4474530614.

It can be divided in two parts, 550660 and 65, that added together give a triangular number (550725 = T₁₀₄₉).

The spelling of 55066065 in words is "fifty-five million, sixty-six thousand, sixty-five".