189352555 has 32 divisors (see below), whose sum is σ = 268369920. Its totient is φ = 125556480.

The previous prime is 189352547. The next prime is 189352561. The reversal of 189352555 is 555253981.

189352555 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 189352555 - 2³ = 189352547 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181726 + ... + 182764.

It is an arithmetic number, because the mean of its divisors is an integer number (8386560).

Almost surely, 2^189352555 is an apocalyptic number.

189352555 is a deficient number, since it is larger than the sum of its proper divisors (79017365).

189352555 is a wasteful number, since it uses less digits than its factorization.

189352555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219.

The product of its digits is 270000, while the sum is 43.

The square root of 189352555 is about 13760.5434122349. The cubic root of 189352555 is about 574.2359657013.

The spelling of 189352555 in words is "one hundred eighty-nine million, three hundred fifty-two thousand, five hundred fifty-five".