556858 has 8 divisors (see below), whose sum is σ = 864180. Its totient is φ = 268800.

The previous prime is 556849. The next prime is 556859. The reversal of 556858 is 858655.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 543169 + 13689 = 737^2 + 117^2 .

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

It is not an unprimeable number, because it can be changed into a prime (556859) 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, 4743 + ... + 4858.

2⁵⁵⁶⁸⁵⁸ is an apocalyptic number.

556858 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

556858 is a deficient number, since it is larger than the sum of its proper divisors (307322).

556858 is a wasteful number, since it uses less digits than its factorization.

556858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9632.

The product of its digits is 48000, while the sum is 37.

The square root of 556858 is about 746.2291873145. The cubic root of 556858 is about 82.2712610909.

The spelling of 556858 in words is "five hundred fifty-six thousand, eight hundred fifty-eight".