557627443 has 2 divisors, whose sum is σ = 557627444. Its totient is φ = 557627442.

The previous prime is 557627437. The next prime is 557627471. The reversal of 557627443 is 344726755.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 557627443 - 2⁹ = 557626931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 557627443.

It is not a weakly prime, because it can be changed into another prime (557667443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278813721 + 278813722.

It is an arithmetic number, because the mean of its divisors is an integer number (278813722).

Almost surely, 2^557627443 is an apocalyptic number.

557627443 is a deficient number, since it is larger than the sum of its proper divisors (1).

557627443 is an equidigital number, since it uses as much as digits as its factorization.

557627443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 43.

The square root of 557627443 is about 23614.1365076092. The cubic root of 557627443 is about 823.0913664253.

The spelling of 557627443 in words is "five hundred fifty-seven million, six hundred twenty-seven thousand, four hundred forty-three".