55105560605 has 32 divisors (see below), whose sum is σ = 72597254400. Its totient is φ = 39968474112.

The previous prime is 55105560593. The next prime is 55105560613. The reversal of 55105560605 is 50606550155.

It is a cyclic number.

It is not a de Polignac number, because 55105560605 - 2¹⁰ = 55105559581 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1056674 + ... + 1107596.

It is an arithmetic number, because the mean of its divisors is an integer number (2268664200).

Almost surely, 2^55105560605 is an apocalyptic number.

It is an amenable number.

55105560605 is a deficient number, since it is larger than the sum of its proper divisors (17491693795).

55105560605 is a wasteful number, since it uses less digits than its factorization.

55105560605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51413.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 55105560605 in words is "fifty-five billion, one hundred five million, five hundred sixty thousand, six hundred five".