195255555 has 32 divisors (see below), whose sum is σ = 344148480. Its totient is φ = 93742080.

The previous prime is 195255539. The next prime is 195255559. The reversal of 195255555 is 555552591.

It is a happy number.

195255555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 195255555 - 2⁴ = 195255539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195255559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11251 + ... + 22739.

It is an arithmetic number, because the mean of its divisors is an integer number (10754640).

Almost surely, 2^195255555 is an apocalyptic number.

195255555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

195255555 is a deficient number, since it is larger than the sum of its proper divisors (148892925).

195255555 is a wasteful number, since it uses less digits than its factorization.

195255555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11611.

The product of its digits is 281250, while the sum is 42.

The square root of 195255555 is about 13973.3873845965. The cubic root of 195255555 is about 580.1422114617.

The spelling of 195255555 in words is "one hundred ninety-five million, two hundred fifty-five thousand, five hundred fifty-five".