55349933 has 2 divisors, whose sum is σ = 55349934. Its totient is φ = 55349932.

The previous prime is 55349929. The next prime is 55349947. The reversal of 55349933 is 33994355.

55349933 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., 35081929 + 20268004 = 5923^2 + 4502^2 .

It is a cyclic number.

It is not a de Polignac number, because 55349933 - 2² = 55349929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55349953) 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, 27674966 + 27674967.

It is an arithmetic number, because the mean of its divisors is an integer number (27674967).

Almost surely, 2^55349933 is an apocalyptic number.

It is an amenable number.

55349933 is a deficient number, since it is larger than the sum of its proper divisors (1).

55349933 is an equidigital number, since it uses as much as digits as its factorization.

55349933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 218700, while the sum is 41.

The square root of 55349933 is about 7439.7535577464. The cubic root of 55349933 is about 381.1000740604.

The spelling of 55349933 in words is "fifty-five million, three hundred forty-nine thousand, nine hundred thirty-three".