54443219 has 2 divisors, whose sum is σ = 54443220. Its totient is φ = 54443218.

The previous prime is 54443183. The next prime is 54443239. The reversal of 54443219 is 91234445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54443219 - 2¹⁶ = 54377683 is a prime.

It is a super-2 number, since 2×54443219² = 5928128190163922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54443239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27221609 + 27221610.

It is an arithmetic number, because the mean of its divisors is an integer number (27221610).

Almost surely, 2^54443219 is an apocalyptic number.

54443219 is a deficient number, since it is larger than the sum of its proper divisors (1).

54443219 is an equidigital number, since it uses as much as digits as its factorization.

54443219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 54443219 is about 7378.5648333534. The cubic root of 54443219 is about 379.0076114158.

The spelling of 54443219 in words is "fifty-four million, four hundred forty-three thousand, two hundred nineteen".