53494219 has 2 divisors, whose sum is σ = 53494220. Its totient is φ = 53494218.

The previous prime is 53494211. The next prime is 53494229. The reversal of 53494219 is 91249435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53494219 - 2³ = 53494211 is a prime.

It is a super-2 number, since 2×53494219² = 5723262932839922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53494211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26747109 + 26747110.

It is an arithmetic number, because the mean of its divisors is an integer number (26747110).

Almost surely, 2^53494219 is an apocalyptic number.

53494219 is a deficient number, since it is larger than the sum of its proper divisors (1).

53494219 is an equidigital number, since it uses as much as digits as its factorization.

53494219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 53494219 is about 7313.9742274635. The cubic root of 53494219 is about 376.7925296180.

The spelling of 53494219 in words is "fifty-three million, four hundred ninety-four thousand, two hundred nineteen".