546544220 has 48 divisors (see below), whose sum is σ = 1217371680. Its totient is φ = 205400064.

The previous prime is 546544189. The next prime is 546544223. The reversal of 546544220 is 22445645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546544223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274067 + ... + 276053.

It is an arithmetic number, because the mean of its divisors is an integer number (25361910).

Almost surely, 2^546544220 is an apocalyptic number.

It is an amenable number.

546544220 is an abundant number, since it is smaller than the sum of its proper divisors (670827460).

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

546544220 is a wasteful number, since it uses less digits than its factorization.

546544220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822 (or 2820 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 546544220 is about 23378.2852236857. The cubic root of 546544220 is about 817.6016675983.

Adding to 546544220 its reverse (22445645), we get a palindrome (568989865).

The spelling of 546544220 in words is "five hundred forty-six million, five hundred forty-four thousand, two hundred twenty".