549020053 has 4 divisors (see below), whose sum is σ = 562410828. Its totient is φ = 535629280.

The previous prime is 549020047. The next prime is 549020063. The reversal of 549020053 is 350020945.

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 7387524 + 541632529 = 2718^2 + 23273^2 .

It is a cyclic number.

It is not a de Polignac number, because 549020053 - 2¹⁷ = 548888981 is a prime.

It is a super-2 number, since 2×549020053² = 602846037192245618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549020063) 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, 6695326 + ... + 6695407.

It is an arithmetic number, because the mean of its divisors is an integer number (140602707).

Almost surely, 2^549020053 is an apocalyptic number.

It is an amenable number.

549020053 is a deficient number, since it is larger than the sum of its proper divisors (13390775).

549020053 is a wasteful number, since it uses less digits than its factorization.

549020053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13390774.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 549020053 is about 23431.1769444046. The cubic root of 549020053 is about 818.8343804571.

Adding to 549020053 its reverse (350020945), we get a palindrome (899040998).

The spelling of 549020053 in words is "five hundred forty-nine million, twenty thousand, fifty-three".