55225320305 has 24 divisors (see below), whose sum is σ = 67856036928. Its totient is φ = 43147258848.

The previous prime is 55225320289. The next prime is 55225320341. The reversal of 55225320305 is 50302352255.

It is a happy number.

It is not a de Polignac number, because 55225320305 - 2⁴ = 55225320289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5373782 + ... + 5384048.

It is an arithmetic number, because the mean of its divisors is an integer number (2827334872).

Almost surely, 2^55225320305 is an apocalyptic number.

It is an amenable number.

55225320305 is a deficient number, since it is larger than the sum of its proper divisors (12630716623).

55225320305 is a wasteful number, since it uses less digits than its factorization.

55225320305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10853 (or 10806 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 32.

The spelling of 55225320305 in words is "fifty-five billion, two hundred twenty-five million, three hundred twenty thousand, three hundred five".