189352554 has 8 divisors (see below), whose sum is σ = 378705120. Its totient is φ = 63117516.

The previous prime is 189352547. The next prime is 189352561. The reversal of 189352554 is 455253981.

It is an interprime number because it is at equal distance from previous prime (189352547) and next prime (189352561).

It is a sphenic number, since it is the product of 3 distinct primes.

189352554 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 15779374 + ... + 15779385.

It is an arithmetic number, because the mean of its divisors is an integer number (47338140).

Almost surely, 2^189352554 is an apocalyptic number.

189352554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189352554 is a wasteful number, since it uses less digits than its factorization.

189352554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31558764.

The product of its digits is 216000, while the sum is 42.

The square root of 189352554 is about 13760.5433758991. The cubic root of 189352554 is about 574.2359646904.

The spelling of 189352554 in words is "one hundred eighty-nine million, three hundred fifty-two thousand, five hundred fifty-four".