5640505 has 16 divisors (see below), whose sum is σ = 7366464. Its totient is φ = 4121280.

The previous prime is 5640463. The next prime is 5640527. The reversal of 5640505 is 5050465.

It is not a de Polignac number, because 5640505 - 2⁷ = 5640377 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 5640505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6550 + ... + 7360.

It is an arithmetic number, because the mean of its divisors is an integer number (460404).

Almost surely, 2^5640505 is an apocalyptic number.

It is an amenable number.

5640505 is a deficient number, since it is larger than the sum of its proper divisors (1725959).

5640505 is a wasteful number, since it uses less digits than its factorization.

5640505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936.

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

The square root of 5640505 is about 2374.9747367077. The cubic root of 5640505 is about 178.0079216270.

The spelling of 5640505 in words is "five million, six hundred forty thousand, five hundred five".