557841 has 4 divisors (see below), whose sum is σ = 743792. Its totient is φ = 371892.

The previous prime is 557831. The next prime is 557857. The reversal of 557841 is 148755.

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 not a de Polignac number, because 557841 - 2⁹ = 557329 is a prime.

It is a super-2 number, since 2×557841² = 622373162562, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 557799 and 557808.

It is not an unprimeable number, because it can be changed into a prime (557801) 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, 92971 + ... + 92976.

It is an arithmetic number, because the mean of its divisors is an integer number (185948).

2⁵⁵⁷⁸⁴¹ is an apocalyptic number.

It is an amenable number.

557841 is a deficient number, since it is larger than the sum of its proper divisors (185951).

557841 is a wasteful number, since it uses less digits than its factorization.

557841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185950.

The product of its digits is 5600, while the sum is 30.

The square root of 557841 is about 746.8875417357. The cubic root of 557841 is about 82.3196427305.

The spelling of 557841 in words is "five hundred fifty-seven thousand, eight hundred forty-one".