195550 has 12 divisors (see below), whose sum is σ = 363816. Its totient is φ = 78200.

The previous prime is 195541. The next prime is 195581. The reversal of 195550 is 55591.

195550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×195550³ = 22433380136625000, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

195550 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1906 + ... + 2005.

It is an arithmetic number, because the mean of its divisors is an integer number (30318).

2¹⁹⁵⁵⁵⁰ is an apocalyptic number.

195550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195550 is a deficient number, since it is larger than the sum of its proper divisors (168266).

195550 is a wasteful number, since it uses less digits than its factorization.

195550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923 (or 3918 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 25.

The square root of 195550 is about 442.2103571831. The cubic root of 195550 is about 58.0433682776.

The spelling of 195550 in words is "one hundred ninety-five thousand, five hundred fifty".