546546 has 72 divisors (see below), whose sum is σ = 1502064. Its totient is φ = 131040.

The previous prime is 546523. The next prime is 546547. The reversal of 546546 is 645645.

546546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (14400) is a multiple of the sum of its prime divisors (36).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 546546.

It is not an unprimeable number, because it can be changed into a prime (546547) by changing a digit.

546546 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 35 ways as a sum of consecutive naturals, for example, 42036 + ... + 42048.

It is an arithmetic number, because the mean of its divisors is an integer number (20862).

2⁵⁴⁶⁵⁴⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 546546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751032).

546546 is an abundant number, since it is smaller than the sum of its proper divisors (955518).

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

546546 is a wasteful number, since it uses less digits than its factorization.

546546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56 (or 36 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 546546 is about 739.2874948219. The cubic root of 546546 is about 81.7602555193.

Subtracting 546546 from its reverse (645645), we obtain a palindrome (99099).

The spelling of 546546 in words is "five hundred forty-six thousand, five hundred forty-six".