505850 has 24 divisors (see below), whose sum is σ = 961248. Its totient is φ = 198000.

The previous prime is 505823. The next prime is 505867. The reversal of 505850 is 58505.

It is a happy number.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3275 + ... + 3425.

It is an arithmetic number, because the mean of its divisors is an integer number (40052).

2⁵⁰⁵⁸⁵⁰ is an apocalyptic number.

505850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505850 is a deficient number, since it is larger than the sum of its proper divisors (455398).

505850 is a wasteful number, since it uses less digits than its factorization.

505850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 505850 is about 711.2313266442. The cubic root of 505850 is about 79.6783963713.

The spelling of 505850 in words is "five hundred five thousand, eight hundred fifty".