557164219 has 2 divisors, whose sum is σ = 557164220. Its totient is φ = 557164218.

The previous prime is 557164207. The next prime is 557164247. The reversal of 557164219 is 912461755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 557164219 - 2⁵ = 557164187 is a prime.

It is a super-2 number, since 2×557164219² = 620863933867759922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (557161219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278582109 + 278582110.

It is an arithmetic number, because the mean of its divisors is an integer number (278582110).

Almost surely, 2^557164219 is an apocalyptic number.

557164219 is a deficient number, since it is larger than the sum of its proper divisors (1).

557164219 is an equidigital number, since it uses as much as digits as its factorization.

557164219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 40.

The square root of 557164219 is about 23604.3262771891. The cubic root of 557164219 is about 822.8633878681.

The spelling of 557164219 in words is "five hundred fifty-seven million, one hundred sixty-four thousand, two hundred nineteen".