556850 has 48 divisors (see below), whose sum is σ = 1243968. Its totient is φ = 181440.

The previous prime is 556849. The next prime is 556859. The reversal of 556850 is 58655.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12929 + ... + 12971.

It is an arithmetic number, because the mean of its divisors is an integer number (25916).

2⁵⁵⁶⁸⁵⁰ is an apocalyptic number.

556850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

556850 is an abundant number, since it is smaller than the sum of its proper divisors (687118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556850 is a wasteful number, since it uses less digits than its factorization.

556850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 556850 is about 746.2238270117. The cubic root of 556850 is about 82.2708671106.

The spelling of 556850 in words is "five hundred fifty-six thousand, eight hundred fifty".