55055055505 has 8 divisors (see below), whose sum is σ = 66243189672. Its totient is φ = 43925962368.

The previous prime is 55055055499. The next prime is 55055055527. The reversal of 55055055505 is 50555055055.

It can be written as a sum of positive squares in 4 ways, for example, as 4538447424 + 50516608081 = 67368^2 + 224759^2 .

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 55055055505 - 2⁹ = 55055054993 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 14758204 + ... + 14761933.

It is an arithmetic number, because the mean of its divisors is an integer number (8280398709).

Almost surely, 2^55055055505 is an apocalyptic number.

It is an amenable number.

55055055505 is a deficient number, since it is larger than the sum of its proper divisors (11188134167).

55055055505 is a wasteful number, since it uses less digits than its factorization.

55055055505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29520515.

The product of its (nonzero) digits is 390625, while the sum is 40.

The spelling of 55055055505 in words is "fifty-five billion, fifty-five million, fifty-five thousand, five hundred five".