195555 has 8 divisors (see below), whose sum is σ = 312912. Its totient is φ = 104288.

The previous prime is 195541. The next prime is 195581. The reversal of 195555 is 555591.

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 195555 - 2⁴ = 195539 is a prime.

195555 is a modest number, since divided by 555 gives 195 as remainder.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 6504 + ... + 6533.

It is an arithmetic number, because the mean of its divisors is an integer number (39114).

2¹⁹⁵⁵⁵⁵ is an apocalyptic number.

195555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195555 is a deficient number, since it is larger than the sum of its proper divisors (117357).

195555 is a wasteful number, since it uses less digits than its factorization.

195555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13045.

The product of its digits is 5625, while the sum is 30.

The square root of 195555 is about 442.2160105650. The cubic root of 195555 is about 58.0438629753.

The spelling of 195555 in words is "one hundred ninety-five thousand, five hundred fifty-five".