5659540 has 12 divisors (see below), whose sum is σ = 11885076. Its totient is φ = 2263808.

The previous prime is 5659513. The next prime is 5659543. The reversal of 5659540 is 459565.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4016016 + 1643524 = 2004^2 + 1282^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5659496 and 5659505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5659543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141469 + ... + 141508.

It is an arithmetic number, because the mean of its divisors is an integer number (990423).

Almost surely, 2^5659540 is an apocalyptic number.

It is an amenable number.

5659540 is an abundant number, since it is smaller than the sum of its proper divisors (6225536).

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

5659540 is a wasteful number, since it uses less digits than its factorization.

5659540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282986 (or 282984 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 5659540 is about 2378.9787724988. The cubic root of 5659540 is about 178.2079377799.

The spelling of 5659540 in words is "five million, six hundred fifty-nine thousand, five hundred forty".