53543219 has 2 divisors, whose sum is σ = 53543220. Its totient is φ = 53543218.

The previous prime is 53543209. The next prime is 53543227. The reversal of 53543219 is 91234535.

53543219 is nontrivially palindromic in base 4 and base 16.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53543219 - 2⁸ = 53542963 is a prime.

It is a super-2 number, since 2×53543219² = 5733752601763922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53543209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26771609 + 26771610.

It is an arithmetic number, because the mean of its divisors is an integer number (26771610).

Almost surely, 2^53543219 is an apocalyptic number.

53543219 is a deficient number, since it is larger than the sum of its proper divisors (1).

53543219 is an equidigital number, since it uses as much as digits as its factorization.

53543219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 32.

The square root of 53543219 is about 7317.3232127603. The cubic root of 53543219 is about 376.9075401738.

The spelling of 53543219 in words is "fifty-three million, five hundred forty-three thousand, two hundred nineteen".