5540605 has 8 divisors (see below), whose sum is σ = 7598592. Its totient is φ = 3799248.

The previous prime is 5540603. The next prime is 5540611. The reversal of 5540605 is 5060455.

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 5540605 - 2¹ = 5540603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5540605.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79117 + ... + 79186.

It is an arithmetic number, because the mean of its divisors is an integer number (949824).

Almost surely, 2^5540605 is an apocalyptic number.

It is an amenable number.

5540605 is a deficient number, since it is larger than the sum of its proper divisors (2057987).

5540605 is a wasteful number, since it uses less digits than its factorization.

5540605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158315.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 5540605 is about 2353.8489756142. The cubic root of 5540605 is about 176.9507454425.

The spelling of 5540605 in words is "five million, five hundred forty thousand, six hundred five".