5645506 has 8 divisors (see below), whose sum is σ = 8478720. Its totient is φ = 2819268.

The previous prime is 5645501. The next prime is 5645539. The reversal of 5645506 is 6055465.

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

It is not an unprimeable number, because it can be changed into a prime (5645501) 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, 1455 + ... + 3661.

It is an arithmetic number, because the mean of its divisors is an integer number (1059840).

Almost surely, 2^5645506 is an apocalyptic number.

5645506 is a deficient number, since it is larger than the sum of its proper divisors (2833214).

5645506 is a wasteful number, since it uses less digits than its factorization.

5645506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 5645506 is about 2376.0273567449. The cubic root of 5645506 is about 178.0605147104.

The spelling of 5645506 in words is "five million, six hundred forty-five thousand, five hundred six".