546440885 has 4 divisors (see below), whose sum is σ = 655729068. Its totient is φ = 437152704.

The previous prime is 546440863. The next prime is 546440887. The reversal of 546440885 is 588044645.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 324252049 + 222188836 = 18007^2 + 14906^2 .

It is a cyclic number.

It is not a de Polignac number, because 546440885 - 2⁶ = 546440821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546440887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54644084 + ... + 54644093.

It is an arithmetic number, because the mean of its divisors is an integer number (163932267).

Almost surely, 2^546440885 is an apocalyptic number.

It is an amenable number.

546440885 is a deficient number, since it is larger than the sum of its proper divisors (109288183).

546440885 is a wasteful number, since it uses less digits than its factorization.

546440885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109288182.

The product of its (nonzero) digits is 614400, while the sum is 44.

The square root of 546440885 is about 23376.0750554921. The cubic root of 546440885 is about 817.5501364258.

The spelling of 546440885 in words is "five hundred forty-six million, four hundred forty thousand, eight hundred eighty-five".