195055680 has 56 divisors (see below), whose sum is σ = 619304832. Its totient is φ = 52014592.

The previous prime is 195055669. The next prime is 195055681. The reversal of 195055680 is 86550591.

It is not an unprimeable number, because it can be changed into a prime (195055681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100632 + ... + 102551.

Almost surely, 2^195055680 is an apocalyptic number.

195055680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195055680 is an abundant number, since it is smaller than the sum of its proper divisors (424249152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

195055680 is a wasteful number, since it uses less digits than its factorization.

195055680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203203 (or 203193 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 39.

The square root of 195055680 is about 13966.2335652817. The cubic root of 195055680 is about 579.9441880501.

It can be divided in two parts, 1950 and 55680, that added together give a triangular number (57630 = T₃₃₉).

The spelling of 195055680 in words is "one hundred ninety-five million, fifty-five thousand, six hundred eighty".