557441 has 4 divisors (see below), whose sum is σ = 586800. Its totient is φ = 528084.

The previous prime is 557423. The next prime is 557443. The reversal of 557441 is 144755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 557441 - 2⁶ = 557377 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 557441.

It is not an unprimeable number, because it can be changed into a prime (557443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14651 + ... + 14688.

It is an arithmetic number, because the mean of its divisors is an integer number (146700).

2⁵⁵⁷⁴⁴¹ is an apocalyptic number.

It is an amenable number.

557441 is a deficient number, since it is larger than the sum of its proper divisors (29359).

557441 is a wasteful number, since it uses less digits than its factorization.

557441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29358.

The product of its digits is 2800, while the sum is 26.

The square root of 557441 is about 746.6197157858. The cubic root of 557441 is about 82.2999622537.

Subtracting from 557441 its reverse (144755), we obtain a triangular number (412686 = T₉₀₈).

The spelling of 557441 in words is "five hundred fifty-seven thousand, four hundred forty-one".