188064055 has 4 divisors (see below), whose sum is σ = 225676872. Its totient is φ = 150451240.

The previous prime is 188064053. The next prime is 188064059. The reversal of 188064055 is 550460881.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 188064055 - 2¹ = 188064053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188064053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18806401 + ... + 18806410.

It is an arithmetic number, because the mean of its divisors is an integer number (56419218).

Almost surely, 2^188064055 is an apocalyptic number.

188064055 is a deficient number, since it is larger than the sum of its proper divisors (37612817).

188064055 is an equidigital number, since it uses as much as digits as its factorization.

188064055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37612816.

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 188064055 is about 13713.6448473774. The cubic root of 188064055 is about 572.9304860813.

The spelling of 188064055 in words is "one hundred eighty-eight million, sixty-four thousand, fifty-five".