53123219 has 2 divisors, whose sum is σ = 53123220. Its totient is φ = 53123218.

The previous prime is 53123197. The next prime is 53123227. The reversal of 53123219 is 91232135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53123219 - 2²⁰ = 52074643 is a prime.

It is a super-2 number, since 2×53123219² = 5644152793843922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53123269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26561609 + 26561610.

It is an arithmetic number, because the mean of its divisors is an integer number (26561610).

Almost surely, 2^53123219 is an apocalyptic number.

53123219 is a deficient number, since it is larger than the sum of its proper divisors (1).

53123219 is an equidigital number, since it uses as much as digits as its factorization.

53123219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 26.

The square root of 53123219 is about 7288.5676919406. The cubic root of 53123219 is about 375.9194480944.

The spelling of 53123219 in words is "fifty-three million, one hundred twenty-three thousand, two hundred nineteen".