544542 has 16 divisors (see below), whose sum is σ = 1112832. Its totient is φ = 177560.

The previous prime is 544517. The next prime is 544543. The reversal of 544542 is 245445.

544542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (544543) by changing a digit.

544542 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684 + ... + 1247.

It is an arithmetic number, because the mean of its divisors is an integer number (69552).

2⁵⁴⁴⁵⁴² is an apocalyptic number.

544542 is an abundant number, since it is smaller than the sum of its proper divisors (568290).

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

544542 is a wasteful number, since it uses less digits than its factorization.

544542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983.

The product of its digits is 3200, while the sum is 24.

The square root of 544542 is about 737.9308910731. The cubic root of 544542 is about 81.6602040330.

Adding to 544542 its reverse (245445), we get a palindrome (789987).

The spelling of 544542 in words is "five hundred forty-four thousand, five hundred forty-two".