5539968 has 128 divisors (see below), whose sum is σ = 18768000. Its totient is φ = 1575936.

The previous prime is 5539967. The next prime is 5539981. The reversal of 5539968 is 8699355.

5539968 is a `hidden beast` number, since 553 + 9 + 96 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5539967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24078 + ... + 24306.

It is an arithmetic number, because the mean of its divisors is an integer number (146625).

Almost surely, 2^5539968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5539968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9384000).

5539968 is an abundant number, since it is smaller than the sum of its proper divisors (13228032).

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

5539968 is a wasteful number, since it uses less digits than its factorization.

5539968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 241 counting only the distinct ones).

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

The square root of 5539968 is about 2353.7136614295. The cubic root of 5539968 is about 176.9439638760.

The spelling of 5539968 in words is "five million, five hundred thirty-nine thousand, nine hundred sixty-eight".