55055055105505 has 64 divisors (see below), whose sum is σ = 86104706849280. Its totient is φ = 32794507874304.

The previous prime is 55055055105473. The next prime is 55055055105551. The reversal of 55055055105505 is 50550155055055.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55055055105505 - 2⁵ = 55055055105473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70067422 + ... + 70848808.

It is an arithmetic number, because the mean of its divisors is an integer number (1345386044520).

Almost surely, 2^{55055055105505} is an apocalyptic number.

It is an amenable number.

55055055105505 is a deficient number, since it is larger than the sum of its proper divisors (31049651743775).

55055055105505 is a wasteful number, since it uses less digits than its factorization.

55055055105505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790538.

The product of its (nonzero) digits is 1953125, while the sum is 46.

The spelling of 55055055105505 in words is "fifty-five trillion, fifty-five billion, fifty-five million, one hundred five thousand, five hundred five".