549357252 has 24 divisors (see below), whose sum is σ = 1287486816. Its totient is φ = 182311488.

The previous prime is 549357247. The next prime is 549357253. The reversal of 549357252 is 252753945.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (549357253) 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 7 ways as a sum of consecutive naturals, for example, 98113 + ... + 103560.

It is an arithmetic number, because the mean of its divisors is an integer number (53645284).

Almost surely, 2^549357252 is an apocalyptic number.

It is an amenable number.

549357252 is an abundant number, since it is smaller than the sum of its proper divisors (738129564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549357252 is a wasteful number, since it uses less digits than its factorization.

549357252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201907 (or 201905 counting only the distinct ones).

The product of its digits is 378000, while the sum is 42.

The square root of 549357252 is about 23438.3713598023. The cubic root of 549357252 is about 819.0019843085.

The spelling of 549357252 in words is "five hundred forty-nine million, three hundred fifty-seven thousand, two hundred fifty-two".