55200223 has 16 divisors (see below), whose sum is σ = 61286400. Its totient is φ = 49402080.

The previous prime is 55200209. The next prime is 55200239. The reversal of 55200223 is 32200255.

It is not a de Polignac number, because 55200223 - 2¹⁷ = 55069151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55200223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55200823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60138 + ... + 61048.

It is an arithmetic number, because the mean of its divisors is an integer number (3830400).

Almost surely, 2^55200223 is an apocalyptic number.

55200223 is a deficient number, since it is larger than the sum of its proper divisors (6086177).

55200223 is a wasteful number, since it uses less digits than its factorization.

55200223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 55200223 is about 7429.6852557830. The cubic root of 55200223 is about 380.7561651245.

Adding to 55200223 its reverse (32200255), we get a palindrome (87400478).

The spelling of 55200223 in words is "fifty-five million, two hundred thousand, two hundred twenty-three".