557543 has 8 divisors (see below), whose sum is σ = 665088. Its totient is φ = 456984.

The previous prime is 557537. The next prime is 557551. The reversal of 557543 is 345755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 557543 - 2¹⁰ = 556519 is a prime.

It is a d-powerful number, because it can be written as 5⁵ + 5⁵ + 5⁵ + 7³ + 4⁷ + 3¹² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571 + ... + 1892.

It is an arithmetic number, because the mean of its divisors is an integer number (83136).

2⁵⁵⁷⁵⁴³ is an apocalyptic number.

557543 is a deficient number, since it is larger than the sum of its proper divisors (107545).

557543 is a wasteful number, since it uses less digits than its factorization.

557543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3493.

The product of its digits is 10500, while the sum is 29.

The square root of 557543 is about 746.6880205280. The cubic root of 557543 is about 82.3049816693.

The spelling of 557543 in words is "five hundred fifty-seven thousand, five hundred forty-three".