188775055 has 16 divisors (see below), whose sum is σ = 274121280. Its totient is φ = 121830912.

The previous prime is 188775049. The next prime is 188775101. The reversal of 188775055 is 550577881.

It is a happy number.

188775055 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 188775055 - 2³ = 188775047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 188774996 and 188775014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158040 + ... + 159229.

It is an arithmetic number, because the mean of its divisors is an integer number (17132580).

Almost surely, 2^188775055 is an apocalyptic number.

188775055 is a deficient number, since it is larger than the sum of its proper divisors (85346225).

188775055 is a wasteful number, since it uses less digits than its factorization.

188775055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317298.

The product of its (nonzero) digits is 392000, while the sum is 46.

The square root of 188775055 is about 13739.5434785876. The cubic root of 188775055 is about 573.6515902117.

It can be divided in two parts, 18877 and 5055, that added together give a palindrome (23932).

The spelling of 188775055 in words is "one hundred eighty-eight million, seven hundred seventy-five thousand, fifty-five".