55066689017 has 16 divisors (see below), whose sum is σ = 60205906944. Its totient is φ = 50139648000.

The previous prime is 55066689011. The next prime is 55066689023. The reversal of 55066689017 is 71098666055.

It is an interprime number because it is at equal distance from previous prime (55066689011) and next prime (55066689023).

It is not a de Polignac number, because 55066689017 - 2³⁰ = 53992947193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55066689017.

It is not an unprimeable number, because it can be changed into a prime (55066689011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1835417 + ... + 1865177.

It is an arithmetic number, because the mean of its divisors is an integer number (3762869184).

Almost surely, 2^55066689017 is an apocalyptic number.

It is an amenable number.

55066689017 is a deficient number, since it is larger than the sum of its proper divisors (5139217927).

55066689017 is a wasteful number, since it uses less digits than its factorization.

55066689017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33320.

The product of its (nonzero) digits is 2721600, while the sum is 53.

The spelling of 55066689017 in words is "fifty-five billion, sixty-six million, six hundred eighty-nine thousand, seventeen".