556539 has 8 divisors (see below), whose sum is σ = 767760. Its totient is φ = 358176.

The previous prime is 556537. The next prime is 556559. The reversal of 556539 is 935655.

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

It is not a de Polignac number, because 556539 - 2¹ = 556537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556537) 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, 3112 + ... + 3285.

It is an arithmetic number, because the mean of its divisors is an integer number (95970).

2⁵⁵⁶⁵³⁹ is an apocalyptic number.

556539 is a deficient number, since it is larger than the sum of its proper divisors (211221).

556539 is a wasteful number, since it uses less digits than its factorization.

556539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429.

The product of its digits is 20250, while the sum is 33.

The square root of 556539 is about 746.0154153903. The cubic root of 556539 is about 82.2555482010.

The spelling of 556539 in words is "five hundred fifty-six thousand, five hundred thirty-nine".