200055 has 8 divisors (see below), whose sum is σ = 320112.
Its totient is φ = 106688.
The previous prime is 200041. The next prime is 200063. The reversal of 200055 is 550002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 200055 - 25 = 200023 is a prime.
200055 is a modest number, since divided by 55 gives 20 as remainder.
200055 is a lucky number.
It is a self number, because there is not a number n which added to its sum of digits gives 200055.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 6654 + ... + 6683.
It is an arithmetic number, because the mean of its divisors is an integer number (40014).
2200055 is an apocalyptic number.
200055 is a deficient number, since it is larger than the sum of its proper divisors (120057).
200055 is a wasteful number, since it uses less digits than its factorization.
200055 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13345.
The product of its (nonzero) digits is 50, while the sum is 12.
The square root of 200055 is about 447.2750831424.
The cubic root of 200055 is about 58.4857149721.
Adding to 200055 its reverse (550002), we get a palindrome (750057).
The spelling of 200055 in words is "two hundred thousand, fifty-five".