4561544 has 32 divisors (see below), whose sum is σ = 9616320. Its totient is φ = 2012736.

The previous prime is 4561523. The next prime is 4561547. The reversal of 4561544 is 4451654.

It is not an unprimeable number, because it can be changed into a prime (4561547) 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, 1439 + ... + 3345.

It is an arithmetic number, because the mean of its divisors is an integer number (300510).

Almost surely, 2^4561544 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 4561544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4808160).

4561544 is an abundant number, since it is smaller than the sum of its proper divisors (5054776).

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

4561544 is a wasteful number, since it uses less digits than its factorization.

4561544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949 (or 1945 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 4561544 is about 2135.7771419322. Note that the first 3 decimals coincide. The cubic root of 4561544 is about 165.8456008590.

The spelling of 4561544 in words is "four million, five hundred sixty-one thousand, five hundred forty-four".