55330199 has 2 divisors, whose sum is σ = 55330200. Its totient is φ = 55330198.

The previous prime is 55330183. The next prime is 55330211. The reversal of 55330199 is 99103355.

55330199 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 is a cyclic number.

It is not a de Polignac number, because 55330199 - 2⁴ = 55330183 is a prime.

It is a super-2 number, since 2×55330199² = 6122861842759202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55330169) 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, 27665099 + 27665100.

It is an arithmetic number, because the mean of its divisors is an integer number (27665100).

Almost surely, 2^55330199 is an apocalyptic number.

55330199 is a deficient number, since it is larger than the sum of its proper divisors (1).

55330199 is an equidigital number, since it uses as much as digits as its factorization.

55330199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18225, while the sum is 35.

The square root of 55330199 is about 7438.4271859043. The cubic root of 55330199 is about 381.0547772708.

The spelling of 55330199 in words is "fifty-five million, three hundred thirty thousand, one hundred ninety-nine".