545562546 has 8 divisors (see below), whose sum is σ = 1091125104. Its totient is φ = 181854180.

The previous prime is 545562527. The next prime is 545562571. The reversal of 545562546 is 645265545.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

545562546 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 545562498 and 545562507.

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 3 ways as a sum of consecutive naturals, for example, 45463540 + ... + 45463551.

It is an arithmetic number, because the mean of its divisors is an integer number (136390638).

Almost surely, 2^545562546 is an apocalyptic number.

545562546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

545562546 is a wasteful number, since it uses less digits than its factorization.

545562546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90927096.

The product of its digits is 720000, while the sum is 42.

The square root of 545562546 is about 23357.2803639465. The cubic root of 545562546 is about 817.1118631809. Note that the first 3 decimals are identical.

The spelling of 545562546 in words is "five hundred forty-five million, five hundred sixty-two thousand, five hundred forty-six".