55065306818 has 8 divisors (see below), whose sum is σ = 82799912460. Its totient is φ = 27465336000.

The previous prime is 55065306799. The next prime is 55065306823. The reversal of 55065306818 is 81860356055.

It can be written as a sum of positive squares in 2 ways, for example, as 47691134689 + 7374172129 = 218383^2 + 85873^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33657683 + ... + 33659318.

Almost surely, 2^55065306818 is an apocalyptic number.

55065306818 is a deficient number, since it is larger than the sum of its proper divisors (27734605642).

55065306818 is a wasteful number, since it uses less digits than its factorization.

55065306818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67317412.

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 55065306818 in words is "fifty-five billion, sixty-five million, three hundred six thousand, eight hundred eighteen".