549021052 has 24 divisors (see below), whose sum is σ = 1027388880. Its totient is φ = 255801600.

The previous prime is 549021047. The next prime is 549021071. The reversal of 549021052 is 250120945.

549021052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 549021052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33102 + ... + 46837.

It is an arithmetic number, because the mean of its divisors is an integer number (42807870).

Almost surely, 2^549021052 is an apocalyptic number.

It is an amenable number.

549021052 is a deficient number, since it is larger than the sum of its proper divisors (478367828).

549021052 is a wasteful number, since it uses less digits than its factorization.

549021052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80061 (or 80059 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 549021052 is about 23431.1982621461. The cubic root of 549021052 is about 818.8348771087.

Adding to 549021052 its reverse (250120945), we get a palindrome (799141997).

The spelling of 549021052 in words is "five hundred forty-nine million, twenty-one thousand, fifty-two".