557208443 has 4 divisors (see below), whose sum is σ = 607863768. Its totient is φ = 506553120.

The previous prime is 557208413. The next prime is 557208461. The reversal of 557208443 is 344802755.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 557208443 - 2⁸ = 557208187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 557208397 and 557208406.

It is not an unprimeable number, because it can be changed into a prime (557208403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25327646 + ... + 25327667.

It is an arithmetic number, because the mean of its divisors is an integer number (151965942).

Almost surely, 2^557208443 is an apocalyptic number.

557208443 is a deficient number, since it is larger than the sum of its proper divisors (50655325).

557208443 is a wasteful number, since it uses less digits than its factorization.

557208443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50655324.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 557208443 is about 23605.2630360265. The cubic root of 557208443 is about 822.8851584380.

The spelling of 557208443 in words is "five hundred fifty-seven million, two hundred eight thousand, four hundred forty-three".