55453199 has 2 divisors, whose sum is σ = 55453200. Its totient is φ = 55453198.

The previous prime is 55453193. The next prime is 55453241. The reversal of 55453199 is 99135455.

It is a happy number.

55453199 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 is a cyclic number.

It is not a de Polignac number, because 55453199 - 2⁴ = 55453183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55453193) 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, 27726599 + 27726600.

It is an arithmetic number, because the mean of its divisors is an integer number (27726600).

Almost surely, 2^55453199 is an apocalyptic number.

55453199 is a deficient number, since it is larger than the sum of its proper divisors (1).

55453199 is an equidigital number, since it uses as much as digits as its factorization.

55453199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121500, while the sum is 41.

The square root of 55453199 is about 7446.6904729551. The cubic root of 55453199 is about 381.3369321068.

The spelling of 55453199 in words is "fifty-five million, four hundred fifty-three thousand, one hundred ninety-nine".