53673443 has 2 divisors, whose sum is σ = 53673444. Its totient is φ = 53673442.

The previous prime is 53673439. The next prime is 53673463. The reversal of 53673443 is 34437635.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53673443 - 2² = 53673439 is a prime.

It is not a weakly prime, because it can be changed into another prime (53673413) 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, 26836721 + 26836722.

It is an arithmetic number, because the mean of its divisors is an integer number (26836722).

Almost surely, 2^53673443 is an apocalyptic number.

53673443 is a deficient number, since it is larger than the sum of its proper divisors (1).

53673443 is an equidigital number, since it uses as much as digits as its factorization.

53673443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 35.

The square root of 53673443 is about 7326.2161447776. The cubic root of 53673443 is about 377.2128553349.

The spelling of 53673443 in words is "fifty-three million, six hundred seventy-three thousand, four hundred forty-three".