557285443 has 12 divisors (see below), whose sum is σ = 658312488. Its totient is φ = 467650560.

The previous prime is 557285437. The next prime is 557285459. The reversal of 557285443 is 344582755.

It is a de Polignac number, because none of the positive numbers 2^k-557285443 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 557285443.

It is not an unprimeable number, because it can be changed into a prime (557585443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148030 + ... + 151747.

It is an arithmetic number, because the mean of its divisors is an integer number (54859374).

Almost surely, 2^557285443 is an apocalyptic number.

557285443 is a deficient number, since it is larger than the sum of its proper divisors (101027045).

557285443 is a wasteful number, since it uses less digits than its factorization.

557285443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299814 (or 299801 counting only the distinct ones).

The product of its digits is 672000, while the sum is 43.

The square root of 557285443 is about 23606.8939718888. The cubic root of 557285443 is about 822.9230612130.

The spelling of 557285443 in words is "five hundred fifty-seven million, two hundred eighty-five thousand, four hundred forty-three".