53204443 has 2 divisors, whose sum is σ = 53204444. Its totient is φ = 53204442.

The previous prime is 53204413. The next prime is 53204449. The reversal of 53204443 is 34440235.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53204443 is a prime.

It is equal to p_3181534 and since 53204443 and 3181534 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (53204449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26602221 + 26602222.

It is an arithmetic number, because the mean of its divisors is an integer number (26602222).

Almost surely, 2^53204443 is an apocalyptic number.

53204443 is a deficient number, since it is larger than the sum of its proper divisors (1).

53204443 is an equidigital number, since it uses as much as digits as its factorization.

53204443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 53204443 is about 7294.1375775344. The cubic root of 53204443 is about 376.1109408371.

Adding to 53204443 its reverse (34440235), we get a palindrome (87644678).

The spelling of 53204443 in words is "fifty-three million, two hundred four thousand, four hundred forty-three".