53214443 has 2 divisors, whose sum is σ = 53214444. Its totient is φ = 53214442.

The previous prime is 53214439. The next prime is 53214461. The reversal of 53214443 is 34441235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53214443 - 2² = 53214439 is a prime.

It is not a weakly prime, because it can be changed into another prime (53214493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26607221 + 26607222.

It is an arithmetic number, because the mean of its divisors is an integer number (26607222).

Almost surely, 2^53214443 is an apocalyptic number.

53214443 is a deficient number, since it is larger than the sum of its proper divisors (1).

53214443 is an equidigital number, since it uses as much as digits as its factorization.

53214443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 26.

The square root of 53214443 is about 7294.8230273256. The cubic root of 53214443 is about 376.1345032414.

Adding to 53214443 its reverse (34441235), we get a palindrome (87655678).

The spelling of 53214443 in words is "fifty-three million, two hundred fourteen thousand, four hundred forty-three".