53689219 has 2 divisors, whose sum is σ = 53689220. Its totient is φ = 53689218.

The previous prime is 53689189. The next prime is 53689243. The reversal of 53689219 is 91298635.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53689219 - 2⁵ = 53689187 is a prime.

It is a super-2 number, since 2×53689219² = 5765064473659922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53689289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26844609 + 26844610.

It is an arithmetic number, because the mean of its divisors is an integer number (26844610).

Almost surely, 2^53689219 is an apocalyptic number.

53689219 is a deficient number, since it is larger than the sum of its proper divisors (1).

53689219 is an equidigital number, since it uses as much as digits as its factorization.

53689219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 43.

The square root of 53689219 is about 7327.2927469837. The cubic root of 53689219 is about 377.2498092220.

The spelling of 53689219 in words is "fifty-three million, six hundred eighty-nine thousand, two hundred nineteen".