557008443 has 6 divisors (see below), whose sum is σ = 804567764. Its totient is φ = 371338956.

The previous prime is 557008393. The next prime is 557008499. The reversal of 557008443 is 344800755.

557008443 is a `hidden beast` number, since 5 + 570 + 0 + 84 + 4 + 3 = 666.

It is not a de Polignac number, because 557008443 - 2¹⁰ = 557007419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557008398 and 557008407.

It is not an unprimeable number, because it can be changed into a prime (557008643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30944905 + ... + 30944922.

Almost surely, 2^557008443 is an apocalyptic number.

557008443 is a deficient number, since it is larger than the sum of its proper divisors (247559321).

557008443 is a wasteful number, since it uses less digits than its factorization.

557008443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61889833 (or 61889830 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 557008443 is about 23601.0263124297. The cubic root of 557008443 is about 822.7866933553.

The spelling of 557008443 in words is "five hundred fifty-seven million, eight thousand, four hundred forty-three".