195955 has 4 divisors (see below), whose sum is σ = 235152. Its totient is φ = 156760.

The previous prime is 195931. The next prime is 195967. The reversal of 195955 is 559591.

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

It is not a de Polignac number, because 195955 - 2⁹ = 195443 is a prime.

It is a Duffinian number.

195955 is a lucky number.

It is a nialpdrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 195955.

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 3 ways as a sum of consecutive naturals, for example, 19591 + ... + 19600.

It is an arithmetic number, because the mean of its divisors is an integer number (58788).

2¹⁹⁵⁹⁵⁵ is an apocalyptic number.

195955 is a deficient number, since it is larger than the sum of its proper divisors (39197).

195955 is an equidigital number, since it uses as much as digits as its factorization.

195955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39196.

The product of its digits is 10125, while the sum is 34.

The square root of 195955 is about 442.6680471866. The cubic root of 195955 is about 58.0834114961.

It can be divided in two parts, 19595 and 5, that added together give a square (19600 = 140²).

The spelling of 195955 in words is "one hundred ninety-five thousand, nine hundred fifty-five".