5644563 has 4 divisors (see below), whose sum is σ = 7526088. Its totient is φ = 3763040.

The previous prime is 5644547. The next prime is 5644601. The reversal of 5644563 is 3654465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5644563 - 2⁴ = 5644547 is a prime.

It is a super-2 number, since 2×5644563² = 63722182921938, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (5644523) 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, 940758 + ... + 940763.

It is an arithmetic number, because the mean of its divisors is an integer number (1881522).

Almost surely, 2^5644563 is an apocalyptic number.

5644563 is a deficient number, since it is larger than the sum of its proper divisors (1881525).

5644563 is a wasteful number, since it uses less digits than its factorization.

5644563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881524.

The product of its digits is 43200, while the sum is 33.

The square root of 5644563 is about 2375.8289079814. The cubic root of 5644563 is about 178.0506000151.

The spelling of 5644563 in words is "five million, six hundred forty-four thousand, five hundred sixty-three".