549495543 has 4 divisors (see below), whose sum is σ = 732660728. Its totient is φ = 366330360.

The previous prime is 549495533. The next prime is 549495563. The reversal of 549495543 is 345594945.

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

It is not a de Polignac number, because 549495543 - 2¹² = 549491447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 549495492 and 549495501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549495533) by changing a digit.

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, 91582588 + ... + 91582593.

It is an arithmetic number, because the mean of its divisors is an integer number (183165182).

Almost surely, 2^549495543 is an apocalyptic number.

549495543 is a deficient number, since it is larger than the sum of its proper divisors (183165185).

549495543 is a wasteful number, since it uses less digits than its factorization.

549495543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183165184.

The product of its digits is 1944000, while the sum is 48.

The square root of 549495543 is about 23441.3212724880. The cubic root of 549495543 is about 819.0707016447.

The spelling of 549495543 in words is "five hundred forty-nine million, four hundred ninety-five thousand, five hundred forty-three".