55002205 has 4 divisors (see below), whose sum is σ = 66002652. Its totient is φ = 44001760.

The previous prime is 55002179. The next prime is 55002221. The reversal of 55002205 is 50220055.

55002205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50220055 = 5 ⋅10044011.

It can be written as a sum of positive squares in 2 ways, for example, as 6365529 + 48636676 = 2523^2 + 6974^2 .

It is not a de Polignac number, because 55002205 - 2¹⁷ = 54871133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500216 + ... + 5500225.

It is an arithmetic number, because the mean of its divisors is an integer number (16500663).

Almost surely, 2^55002205 is an apocalyptic number.

It is an amenable number.

55002205 is a deficient number, since it is larger than the sum of its proper divisors (11000447).

55002205 is a wasteful number, since it uses less digits than its factorization.

55002205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000446.

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 55002205 is about 7416.3471466754. The cubic root of 55002205 is about 380.3003281356.

The spelling of 55002205 in words is "fifty-five million, two thousand, two hundred five".