289005055 has 8 divisors (see below), whose sum is σ = 347515344. Its totient is φ = 230731200.

The previous prime is 289005011. The next prime is 289005121. The reversal of 289005055 is 550500982.

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

It is not a de Polignac number, because 289005055 - 2⁹ = 289004543 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 289005055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56406 + ... + 61315.

It is an arithmetic number, because the mean of its divisors is an integer number (43439418).

Almost surely, 2^289005055 is an apocalyptic number.

289005055 is a deficient number, since it is larger than the sum of its proper divisors (58510289).

289005055 is a wasteful number, since it uses less digits than its factorization.

289005055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118217.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 289005055 is about 17000.1486758205. The cubic root of 289005055 is about 661.1527566188.

The spelling of 289005055 in words is "two hundred eighty-nine million, five thousand, fifty-five".