5540609 has 8 divisors (see below), whose sum is σ = 5856480. Its totient is φ = 5227200.

The previous prime is 5540603. The next prime is 5540611. The reversal of 5540609 is 9060455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5540609 - 2¹² = 5536513 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5849 + ... + 6729.

It is an arithmetic number, because the mean of its divisors is an integer number (732060).

Almost surely, 2^5540609 is an apocalyptic number.

It is an amenable number.

5540609 is a deficient number, since it is larger than the sum of its proper divisors (315871).

5540609 is a wasteful number, since it uses less digits than its factorization.

5540609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 5540609 is about 2353.8498252862. The cubic root of 5540609 is about 176.9507880253.

The spelling of 5540609 in words is "five million, five hundred forty thousand, six hundred nine".