546566 has 4 divisors (see below), whose sum is σ = 819852. Its totient is φ = 273282.

The previous prime is 546547. The next prime is 546569. The reversal of 546566 is 665645.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 546566.

It is not an unprimeable number, because it can be changed into a prime (546569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136640 + ... + 136643.

It is an arithmetic number, because the mean of its divisors is an integer number (204963).

2⁵⁴⁶⁵⁶⁶ is an apocalyptic number.

546566 is a deficient number, since it is larger than the sum of its proper divisors (273286).

546566 is a wasteful number, since it uses less digits than its factorization.

546566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273285.

The product of its digits is 21600, while the sum is 32.

The square root of 546566 is about 739.3010212356. The cubic root of 546566 is about 81.7612528036.

The spelling of 546566 in words is "five hundred forty-six thousand, five hundred sixty-six".