557849 has 4 divisors (see below), whose sum is σ = 572964. Its totient is φ = 542736.

The previous prime is 557831. The next prime is 557857. The reversal of 557849 is 948755.

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

It can be written as a sum of positive squares in 2 ways, for example, as 235225 + 322624 = 485^2 + 568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-557849 is a prime.

It is a super-2 number, since 2×557849² = 622391013602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7502 + ... + 7575.

It is an arithmetic number, because the mean of its divisors is an integer number (143241).

2⁵⁵⁷⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

557849 is a deficient number, since it is larger than the sum of its proper divisors (15115).

557849 is a wasteful number, since it uses less digits than its factorization.

557849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15114.

The product of its digits is 50400, while the sum is 38.

The square root of 557849 is about 746.8928972751. The cubic root of 557849 is about 82.3200362440.

The spelling of 557849 in words is "five hundred fifty-seven thousand, eight hundred forty-nine".