5549540 has 24 divisors (see below), whose sum is σ = 11854080. Its totient is φ = 2181728.

The previous prime is 5549483. The next prime is 5549561. The reversal of 5549540 is 459455.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5549497 and 5549506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172 + ... + 3531.

It is an arithmetic number, because the mean of its divisors is an integer number (493920).

Almost surely, 2^5549540 is an apocalyptic number.

It is an amenable number.

5549540 is an abundant number, since it is smaller than the sum of its proper divisors (6304540).

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

5549540 is a wasteful number, since it uses less digits than its factorization.

5549540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4771 (or 4769 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 5549540 is about 2355.7461662921. The cubic root of 5549540 is about 177.0458136274.

The spelling of 5549540 in words is "five million, five hundred forty-nine thousand, five hundred forty".