55085017 has 8 divisors (see below), whose sum is σ = 60769800. Its totient is φ = 49607040.

The previous prime is 55084999. The next prime is 55085029. The reversal of 55085017 is 71058055.

55085017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4618201 + 50466816 = 2149^2 + 7104^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 55085017 - 2⁷ = 55084889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55085017.

It is not an unprimeable number, because it can be changed into a prime (55085077) 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, 51142 + ... + 52207.

It is an arithmetic number, because the mean of its divisors is an integer number (7596225).

Almost surely, 2^55085017 is an apocalyptic number.

It is an amenable number.

55085017 is a deficient number, since it is larger than the sum of its proper divisors (5684783).

55085017 is a wasteful number, since it uses less digits than its factorization.

55085017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103403.

The product of its (nonzero) digits is 7000, while the sum is 31.

The square root of 55085017 is about 7421.9281187573. The cubic root of 55085017 is about 380.4910940534.

The spelling of 55085017 in words is "fifty-five million, eighty-five thousand, seventeen".