5644548 has 72 divisors (see below), whose sum is σ = 17571008. Its totient is φ = 1487808.

The previous prime is 5644547. The next prime is 5644601. The reversal of 5644548 is 8454465.

5644548 is a `hidden beast` number, since 5 + 644 + 5 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5644547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2415 + ... + 4137.

Almost surely, 2^5644548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5644548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8785504).

5644548 is an abundant number, since it is smaller than the sum of its proper divisors (11926460).

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

5644548 is a wasteful number, since it uses less digits than its factorization.

5644548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753 (or 1748 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 5644548 is about 2375.8257511863. The cubic root of 5644548 is about 178.0504422963.

The spelling of 5644548 in words is "five million, six hundred forty-four thousand, five hundred forty-eight".