55013305 has 4 divisors (see below), whose sum is σ = 66015972. Its totient is φ = 44010640.

The previous prime is 55013279. The next prime is 55013317. The reversal of 55013305 is 50331055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50331055 = 5 ⋅10066211.

It can be written as a sum of positive squares in 2 ways, for example, as 30173049 + 24840256 = 5493^2 + 4984^2 .

It is not a de Polignac number, because 55013305 - 2⁷ = 55013177 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5501326 + ... + 5501335.

It is an arithmetic number, because the mean of its divisors is an integer number (16503993).

Almost surely, 2^55013305 is an apocalyptic number.

It is an amenable number.

55013305 is a deficient number, since it is larger than the sum of its proper divisors (11002667).

55013305 is a wasteful number, since it uses less digits than its factorization.

55013305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11002666.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 55013305 is about 7417.0954557697. The cubic root of 55013305 is about 380.3259092295.

The spelling of 55013305 in words is "fifty-five million, thirteen thousand, three hundred five".