549053563 has 4 divisors (see below), whose sum is σ = 549331048. Its totient is φ = 548776080.

The previous prime is 549053521. The next prime is 549053569. The reversal of 549053563 is 365350945.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 549053563 - 2²¹ = 546956411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (549053569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135753 + ... + 139738.

It is an arithmetic number, because the mean of its divisors is an integer number (137332762).

Almost surely, 2^549053563 is an apocalyptic number.

549053563 is a deficient number, since it is larger than the sum of its proper divisors (277485).

549053563 is a wasteful number, since it uses less digits than its factorization.

549053563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277484.

The product of its (nonzero) digits is 243000, while the sum is 40.

The square root of 549053563 is about 23431.8920064087. The cubic root of 549053563 is about 818.8510395826.

The spelling of 549053563 in words is "five hundred forty-nine million, fifty-three thousand, five hundred sixty-three".