56988443 has 2 divisors, whose sum is σ = 56988444. Its totient is φ = 56988442.

The previous prime is 56988439. The next prime is 56988511. The reversal of 56988443 is 34488965.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56988443 - 2² = 56988439 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56988643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28494221 + 28494222.

It is an arithmetic number, because the mean of its divisors is an integer number (28494222).

Almost surely, 2^56988443 is an apocalyptic number.

56988443 is a deficient number, since it is larger than the sum of its proper divisors (1).

56988443 is an equidigital number, since it uses as much as digits as its factorization.

56988443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 47.

The square root of 56988443 is about 7549.0690154482. The cubic root of 56988443 is about 384.8241013535.

It can be divided in two parts, 5698 and 8443, that added together give a palindrome (14141).

The spelling of 56988443 in words is "fifty-six million, nine hundred eighty-eight thousand, four hundred forty-three".