5255989 has 8 divisors (see below), whose sum is σ = 5724000. Its totient is φ = 4807152.

The previous prime is 5255959. The next prime is 5255993. The reversal of 5255989 is 9895525.

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

It is a de Polignac number, because none of the positive numbers 2^k-5255989 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 (5255959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4219 + ... + 5320.

It is an arithmetic number, because the mean of its divisors is an integer number (715500).

Almost surely, 2^5255989 is an apocalyptic number.

It is an amenable number.

5255989 is a deficient number, since it is larger than the sum of its proper divisors (468011).

5255989 is a wasteful number, since it uses less digits than its factorization.

5255989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9587.

The product of its digits is 162000, while the sum is 43.

The square root of 5255989 is about 2292.5943819176. The cubic root of 5255989 is about 173.8673957760.

The spelling of 5255989 in words is "five million, two hundred fifty-five thousand, nine hundred eighty-nine".