5536989 has 12 divisors (see below), whose sum is σ = 8053500. Its totient is φ = 3665664.

The previous prime is 5536943. The next prime is 5537011. The reversal of 5536989 is 9896355.

5536989 is a `hidden beast` number, since 553 + 6 + 98 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1734489 + 3802500 = 1317^2 + 1950^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5536989 is a prime.

It is a super-2 number, since 2×5536989² = 61316494372242, which contains 22 as substring.

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5536589) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 724 + ... + 3405.

It is an arithmetic number, because the mean of its divisors is an integer number (671125).

Almost surely, 2^5536989 is an apocalyptic number.

It is an amenable number.

5536989 is a deficient number, since it is larger than the sum of its proper divisors (2516511).

5536989 is a wasteful number, since it uses less digits than its factorization.

5536989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4284 (or 4281 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 5536989 is about 2353.0807465958. The cubic root of 5536989 is about 176.9122422380.

The spelling of 5536989 in words is "five million, five hundred thirty-six thousand, nine hundred eighty-nine".