189548055 has 12 divisors (see below), whose sum is σ = 328550040. Its totient is φ = 101092272.

The previous prime is 189548027. The next prime is 189548069. The reversal of 189548055 is 550845981.

It is a happy number.

It is not a de Polignac number, because 189548055 - 2⁹ = 189547543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 4212179 = 189548055 / (1 + 8 + 9 + 5 + 4 + 8 + 0 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 189548055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2106045 + ... + 2106134.

It is an arithmetic number, because the mean of its divisors is an integer number (27379170).

Almost surely, 2^189548055 is an apocalyptic number.

189548055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

189548055 is a deficient number, since it is larger than the sum of its proper divisors (139001985).

189548055 is a wasteful number, since it uses less digits than its factorization.

189548055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212190 (or 4212187 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 45.

The square root of 189548055 is about 13767.6452234941. The cubic root of 189548055 is about 574.4335240205.

The spelling of 189548055 in words is "one hundred eighty-nine million, five hundred forty-eight thousand, fifty-five".