547989745 has 4 divisors (see below), whose sum is σ = 657587700. Its totient is φ = 438391792.

The previous prime is 547989733. The next prime is 547989751.

547989745 is nontrivially palindromic in base 10.

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 199346161 + 348643584 = 14119^2 + 18672^2 .

It is a cyclic number.

It is not a de Polignac number, because 547989745 - 2¹¹ = 547987697 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 547989745.

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, 54798970 + ... + 54798979.

It is an arithmetic number, because the mean of its divisors is an integer number (164396925).

Almost surely, 2^547989745 is an apocalyptic number.

It is an amenable number.

547989745 is a deficient number, since it is larger than the sum of its proper divisors (109597955).

547989745 is a wasteful number, since it uses less digits than its factorization.

547989745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109597954.

The product of its digits is 12700800, while the sum is 58.

The square root of 547989745 is about 23409.1807844700. The cubic root of 547989745 is about 818.3218430735.

The spelling of 547989745 in words is "five hundred forty-seven million, nine hundred eighty-nine thousand, seven hundred forty-five".