53117219 has 2 divisors, whose sum is σ = 53117220. Its totient is φ = 53117218.

The previous prime is 53117201. The next prime is 53117227. The reversal of 53117219 is 91271135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53117219 - 2¹⁶ = 53051683 is a prime.

It is a super-2 number, since 2×53117219² = 5642877908587922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 53117191 and 53117200.

It is not a weakly prime, because it can be changed into another prime (53119219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26558609 + 26558610.

It is an arithmetic number, because the mean of its divisors is an integer number (26558610).

Almost surely, 2^53117219 is an apocalyptic number.

53117219 is a deficient number, since it is larger than the sum of its proper divisors (1).

53117219 is an equidigital number, since it uses as much as digits as its factorization.

53117219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 29.

The square root of 53117219 is about 7288.1560768139. The cubic root of 53117219 is about 375.9052948255.

The spelling of 53117219 in words is "fifty-three million, one hundred seventeen thousand, two hundred nineteen".