55090306945 has 4 divisors (see below), whose sum is σ = 66108368340. Its totient is φ = 44072245552.

The previous prime is 55090306939. The next prime is 55090306967. The reversal of 55090306945 is 54960309055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36631280449 + 18459026496 = 191393^2 + 135864^2 .

It is a cyclic number.

It is not a de Polignac number, because 55090306945 - 2¹⁵ = 55090274177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55090306895 and 55090306904.

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 3 ways as a sum of consecutive naturals, for example, 5509030690 + ... + 5509030699.

It is an arithmetic number, because the mean of its divisors is an integer number (16527092085).

Almost surely, 2^55090306945 is an apocalyptic number.

It is an amenable number.

55090306945 is a deficient number, since it is larger than the sum of its proper divisors (11018061395).

55090306945 is a wasteful number, since it uses less digits than its factorization.

55090306945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11018061394.

The product of its (nonzero) digits is 729000, while the sum is 46.

The spelling of 55090306945 in words is "fifty-five billion, ninety million, three hundred six thousand, nine hundred forty-five".