563544 has 32 divisors (see below), whose sum is σ = 1566000. Its totient is φ = 187776.

The previous prime is 563543. The next prime is 563551. The reversal of 563544 is 445365.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1089 + ... + 1520.

2⁵⁶³⁵⁴⁴ is an apocalyptic number.

563544 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

563544 is an abundant number, since it is smaller than the sum of its proper divisors (1002456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

563544 is a wasteful number, since it uses less digits than its factorization.

563544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624 (or 2614 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 563544 is about 750.6956773553. The cubic root of 563544 is about 82.5992194678.

It can be divided in two parts, 56 and 3544, that added together give a square (3600 = 60²).

The spelling of 563544 in words is "five hundred sixty-three thousand, five hundred forty-four".