53216419 has 2 divisors, whose sum is σ = 53216420. Its totient is φ = 53216418.

The previous prime is 53216389. The next prime is 53216437. The reversal of 53216419 is 91461235.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53216419 - 2²¹ = 51119267 is a prime.

It is a super-2 number, since 2×53216419² = 5663974502367122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53216519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26608209 + 26608210.

It is an arithmetic number, because the mean of its divisors is an integer number (26608210).

Almost surely, 2^53216419 is an apocalyptic number.

53216419 is a deficient number, since it is larger than the sum of its proper divisors (1).

53216419 is an equidigital number, since it uses as much as digits as its factorization.

53216419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 53216419 is about 7294.9584645836. The cubic root of 53216419 is about 376.1391588232.

It can be divided in two parts, 53216 and 419, that added together give a palindrome (53635).

The spelling of 53216419 in words is "fifty-three million, two hundred sixteen thousand, four hundred nineteen".