53630443 has 2 divisors, whose sum is σ = 53630444. Its totient is φ = 53630442.

The previous prime is 53630441. The next prime is 53630491. The reversal of 53630443 is 34403635.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53630443 - 2¹ = 53630441 is a prime.

Together with 53630441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (53630441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26815221 + 26815222.

It is an arithmetic number, because the mean of its divisors is an integer number (26815222).

Almost surely, 2^53630443 is an apocalyptic number.

53630443 is a deficient number, since it is larger than the sum of its proper divisors (1).

53630443 is an equidigital number, since it uses as much as digits as its factorization.

53630443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 53630443 is about 7323.2808904206. The cubic root of 53630443 is about 377.1120948511.

The spelling of 53630443 in words is "fifty-three million, six hundred thirty thousand, four hundred forty-three".