55105610605 has 32 divisors (see below), whose sum is σ = 70458336000. Its totient is φ = 41255424000.

The previous prime is 55105610597. The next prime is 55105610617. The reversal of 55105610605 is 50601650155.

It is not a de Polignac number, because 55105610605 - 2³ = 55105610597 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4301760 + ... + 4314550.

It is an arithmetic number, because the mean of its divisors is an integer number (2201823000).

Almost surely, 2^55105610605 is an apocalyptic number.

It is an amenable number.

55105610605 is a deficient number, since it is larger than the sum of its proper divisors (15352725395).

55105610605 is a wasteful number, since it uses less digits than its factorization.

55105610605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13365.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 55105610605 in words is "fifty-five billion, one hundred five million, six hundred ten thousand, six hundred five".