5559540 has 144 divisors (see below), whose sum is σ = 18998784. Its totient is φ = 1209600.

The previous prime is 5559529. The next prime is 5559553. The reversal of 5559540 is 459555.

5559540 = 8² + 9² + ... + 255².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91110 + ... + 91170.

It is an arithmetic number, because the mean of its divisors is an integer number (131936).

Almost surely, 2^5559540 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 5559540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9499392).

5559540 is an abundant number, since it is smaller than the sum of its proper divisors (13439244).

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

5559540 is a wasteful number, since it uses less digits than its factorization.

5559540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 5559540 is about 2357.8676807658. The cubic root of 5559540 is about 177.1520924525.

It can be divided in two parts, 55 and 59540, that added together give a palindrome (59595).

The spelling of 5559540 in words is "five million, five hundred fifty-nine thousand, five hundred forty".