5656623 has 16 divisors (see below), whose sum is σ = 9073920. Its totient is φ = 3062016.

The previous prime is 5656621. The next prime is 5656649. The reversal of 5656623 is 3266565.

It is not a de Polignac number, because 5656623 - 2¹ = 5656621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6690 + ... + 7487.

It is an arithmetic number, because the mean of its divisors is an integer number (567120).

Almost surely, 2^5656623 is an apocalyptic number.

5656623 is a deficient number, since it is larger than the sum of its proper divisors (3417297).

5656623 is a wasteful number, since it uses less digits than its factorization.

5656623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14206.

The product of its digits is 32400, while the sum is 33.

The square root of 5656623 is about 2378.3656152913. The cubic root of 5656623 is about 178.1773156275.

The spelling of 5656623 in words is "five million, six hundred fifty-six thousand, six hundred twenty-three".