5539840 has 48 divisors (see below), whose sum is σ = 13316940. Its totient is φ = 2211840.

The previous prime is 5539829. The next prime is 5539847. The reversal of 5539840 is 489355.

It can be written as a sum of positive squares in 2 ways, for example, as 5456896 + 82944 = 2336^2 + 288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5539796 and 5539805.

It is not an unprimeable number, because it can be changed into a prime (5539847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9970 + ... + 10510.

Almost surely, 2^5539840 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 5539840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6658470).

5539840 is an abundant number, since it is smaller than the sum of its proper divisors (7777100).

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

5539840 is an equidigital number, since it uses as much as digits as its factorization.

5539840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 5539840 is about 2353.6864701995. The cubic root of 5539840 is about 176.9426011123.

The spelling of 5539840 in words is "five million, five hundred thirty-nine thousand, eight hundred forty".