55805333 has 2 divisors, whose sum is σ = 55805334. Its totient is φ = 55805332.

The previous prime is 55805329. The next prime is 55805359. The reversal of 55805333 is 33350855.

55805333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54272689 + 1532644 = 7367^2 + 1238^2 .

It is a cyclic number.

It is not a de Polignac number, because 55805333 - 2² = 55805329 is a prime.

It is a super-2 number, since 2×55805333² = 6228470382481778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55805333.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55825333) 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, 27902666 + 27902667.

It is an arithmetic number, because the mean of its divisors is an integer number (27902667).

Almost surely, 2^55805333 is an apocalyptic number.

It is an amenable number.

55805333 is a deficient number, since it is larger than the sum of its proper divisors (1).

55805333 is an equidigital number, since it uses as much as digits as its factorization.

55805333 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 55805333 is about 7470.2967143213. The cubic root of 55805333 is about 382.1424069071.

The spelling of 55805333 in words is "fifty-five million, eight hundred five thousand, three hundred thirty-three".