195556 has 6 divisors (see below), whose sum is σ = 342230. Its totient is φ = 97776.

The previous prime is 195541. The next prime is 195581. The reversal of 195556 is 655591.

It is a happy number.

195556 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 173056 + 22500 = 416^2 + 150^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24441 + ... + 24448.

2¹⁹⁵⁵⁵⁶ is an apocalyptic number.

It is an amenable number.

195556 is a deficient number, since it is larger than the sum of its proper divisors (146674).

195556 is a wasteful number, since it uses less digits than its factorization.

195556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48893 (or 48891 counting only the distinct ones).

The product of its digits is 6750, while the sum is 31.

The square root of 195556 is about 442.2171412327. The cubic root of 195556 is about 58.0439619138.

The spelling of 195556 in words is "one hundred ninety-five thousand, five hundred fifty-six".