546534820 has 24 divisors (see below), whose sum is σ = 1236010104. Its totient is φ = 201797376.

The previous prime is 546534817. The next prime is 546534851. The reversal of 546534820 is 28435645.

It can be written as a sum of positive squares in 4 ways, for example, as 8573184 + 537961636 = 2928^2 + 23194^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 546534820.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1050769 + ... + 1051288.

It is an arithmetic number, because the mean of its divisors is an integer number (51500421).

Almost surely, 2^546534820 is an apocalyptic number.

It is an amenable number.

546534820 is an abundant number, since it is smaller than the sum of its proper divisors (689475284).

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

546534820 is a wasteful number, since it uses less digits than its factorization.

546534820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102079 (or 2102077 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 546534820 is about 23378.0841815577. The cubic root of 546534820 is about 817.5969802681.

The spelling of 546534820 in words is "five hundred forty-six million, five hundred thirty-four thousand, eight hundred twenty".