55322233 has 4 divisors (see below), whose sum is σ = 58576500. Its totient is φ = 52067968.

The previous prime is 55322231. The next prime is 55322237. The reversal of 55322233 is 33222355.

55322233 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.

It can be written as a sum of positive squares in 2 ways, for example, as 46607929 + 8714304 = 6827^2 + 2952^2 .

It is a cyclic number.

It is not a de Polignac number, because 55322233 - 2¹ = 55322231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55322198 and 55322207.

It is not an unprimeable number, because it can be changed into a prime (55322231) by changing a digit.

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, 1627108 + ... + 1627141.

It is an arithmetic number, because the mean of its divisors is an integer number (14644125).

Almost surely, 2^55322233 is an apocalyptic number.

It is an amenable number.

55322233 is a deficient number, since it is larger than the sum of its proper divisors (3254267).

55322233 is a wasteful number, since it uses less digits than its factorization.

55322233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254266.

The product of its digits is 5400, while the sum is 25.

The square root of 55322233 is about 7437.8917039710. The cubic root of 55322233 is about 381.0364893189.

Adding to 55322233 its reverse (33222355), we get a palindrome (88544588).

It can be divided in two parts, 55322 and 233, that added together give a palindrome (55555).

The spelling of 55322233 in words is "fifty-five million, three hundred twenty-two thousand, two hundred thirty-three".