53191219 has 2 divisors, whose sum is σ = 53191220. Its totient is φ = 53191218.

The previous prime is 53191217. The next prime is 53191223. The reversal of 53191219 is 91219135.

It is a happy number.

53191219 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 53191219 - 2¹ = 53191217 is a prime.

It is a super-2 number, since 2×53191219² = 5658611557411922, which contains 22 as substring.

Together with 53191217, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53191217) 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, 26595609 + 26595610.

It is an arithmetic number, because the mean of its divisors is an integer number (26595610).

Almost surely, 2^53191219 is an apocalyptic number.

53191219 is a deficient number, since it is larger than the sum of its proper divisors (1).

53191219 is an equidigital number, since it uses as much as digits as its factorization.

53191219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2430, while the sum is 31.

The square root of 53191219 is about 7293.2310398067. The cubic root of 53191219 is about 376.0797773795.

The spelling of 53191219 in words is "fifty-three million, one hundred ninety-one thousand, two hundred nineteen".