546155989 has 2 divisors, whose sum is σ = 546155990. Its totient is φ = 546155988.

The previous prime is 546155971. The next prime is 546156011. The reversal of 546155989 is 989551645.

546155989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 499164964 + 46991025 = 22342^2 + 6855^2 .

It is a cyclic number.

It is not a de Polignac number, because 546155989 - 2¹⁹ = 545631701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (546155689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273077994 + 273077995.

It is an arithmetic number, because the mean of its divisors is an integer number (273077995).

Almost surely, 2^546155989 is an apocalyptic number.

It is an amenable number.

546155989 is a deficient number, since it is larger than the sum of its proper divisors (1).

546155989 is an equidigital number, since it uses as much as digits as its factorization.

546155989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944000, while the sum is 52.

The square root of 546155989 is about 23369.9805091917. The cubic root of 546155989 is about 817.4080306280.

The spelling of 546155989 in words is "five hundred forty-six million, one hundred fifty-five thousand, nine hundred eighty-nine".