549624133 has 4 divisors (see below), whose sum is σ = 549735948. Its totient is φ = 549512320.

The previous prime is 549624121. The next prime is 549624137. The reversal of 549624133 is 331426945.

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 403286724 + 146337409 = 20082^2 + 12097^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-549624133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 549624092 and 549624101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549624137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48178 + ... + 58483.

It is an arithmetic number, because the mean of its divisors is an integer number (137433987).

Almost surely, 2^549624133 is an apocalyptic number.

It is an amenable number.

549624133 is a deficient number, since it is larger than the sum of its proper divisors (111815).

549624133 is a wasteful number, since it uses less digits than its factorization.

549624133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111814.

The product of its digits is 77760, while the sum is 37.

The square root of 549624133 is about 23444.0639181862. The cubic root of 549624133 is about 819.1345881725.

It can be divided in two parts, 54962 and 4133, that added together give a palindrome (59095).

The spelling of 549624133 in words is "five hundred forty-nine million, six hundred twenty-four thousand, one hundred thirty-three".