556958 has 4 divisors (see below), whose sum is σ = 835440. Its totient is φ = 278478.

The previous prime is 556957. The next prime is 556967. The reversal of 556958 is 859655.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139238 + ... + 139241.

It is an arithmetic number, because the mean of its divisors is an integer number (208860).

2⁵⁵⁶⁹⁵⁸ is an apocalyptic number.

556958 is a deficient number, since it is larger than the sum of its proper divisors (278482).

556958 is a wasteful number, since it uses less digits than its factorization.

556958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278481.

The product of its digits is 54000, while the sum is 38.

The square root of 556958 is about 746.2961878504. The cubic root of 556958 is about 82.2761855263.

The spelling of 556958 in words is "five hundred fifty-six thousand, nine hundred fifty-eight".