52668443 has 2 divisors, whose sum is σ = 52668444. Its totient is φ = 52668442.

The previous prime is 52668409. The next prime is 52668463. The reversal of 52668443 is 34486625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52668443 - 2¹² = 52664347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52668397 and 52668406.

It is not a weakly prime, because it can be changed into another prime (52668403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26334221 + 26334222.

It is an arithmetic number, because the mean of its divisors is an integer number (26334222).

Almost surely, 2^52668443 is an apocalyptic number.

52668443 is a deficient number, since it is larger than the sum of its proper divisors (1).

52668443 is an equidigital number, since it uses as much as digits as its factorization.

52668443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 38.

The square root of 52668443 is about 7257.3027358654. The cubic root of 52668443 is about 374.8436515636.

The spelling of 52668443 in words is "fifty-two million, six hundred sixty-eight thousand, four hundred forty-three".