55043333 has 2 divisors, whose sum is σ = 55043334. Its totient is φ = 55043332.

The previous prime is 55043299. The next prime is 55043341. The reversal of 55043333 is 33334055.

55043333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54656449 + 386884 = 7393^2 + 622^2 .

It is a cyclic number.

It is not a de Polignac number, because 55043333 - 2⁶ = 55043269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55033333) 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 as a sum of consecutive naturals, namely, 27521666 + 27521667.

It is an arithmetic number, because the mean of its divisors is an integer number (27521667).

Almost surely, 2^55043333 is an apocalyptic number.

It is an amenable number.

55043333 is a deficient number, since it is larger than the sum of its proper divisors (1).

55043333 is an equidigital number, since it uses as much as digits as its factorization.

55043333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 26.

The square root of 55043333 is about 7419.1194221417. The cubic root of 55043333 is about 380.3950946090.

Adding to 55043333 its reverse (33334055), we get a palindrome (88377388).

The spelling of 55043333 in words is "fifty-five million, forty-three thousand, three hundred thirty-three".