55052219 has 2 divisors, whose sum is σ = 55052220. Its totient is φ = 55052218.

The previous prime is 55052191. The next prime is 55052243. The reversal of 55052219 is 91225055.

55052219 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 55052219 - 2⁸ = 55051963 is a prime.

It is a super-2 number, since 2×55052219² = 6061493633647922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 55052191 and 55052200.

It is not a weakly prime, because it can be changed into another prime (55052269) 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, 27526109 + 27526110.

It is an arithmetic number, because the mean of its divisors is an integer number (27526110).

Almost surely, 2^55052219 is an apocalyptic number.

55052219 is a deficient number, since it is larger than the sum of its proper divisors (1).

55052219 is an equidigital number, since it uses as much as digits as its factorization.

55052219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 55052219 is about 7419.7182561065. The cubic root of 55052219 is about 380.4155633848.

The spelling of 55052219 in words is "fifty-five million, fifty-two thousand, two hundred nineteen".