543442212 has 18 divisors (see below), whose sum is σ = 1373701238. Its totient is φ = 181147392.

The previous prime is 543442201. The next prime is 543442217. The reversal of 543442212 is 212244345.

543442212 is a `hidden beast` number, since 5 + 4 + 3 + 442 + 212 = 666.

It can be written as a sum of positive squares in only one way, i.e., 477247716 + 66194496 = 21846^2 + 8136^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (543442217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7547773 + ... + 7547844.

Almost surely, 2^543442212 is an apocalyptic number.

It is an amenable number.

543442212 is an abundant number, since it is smaller than the sum of its proper divisors (830259026).

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

543442212 is a wasteful number, since it uses less digits than its factorization.

543442212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15095627 (or 15095622 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 543442212 is about 23311.8470310698. The cubic root of 543442212 is about 816.0519178328.

Adding to 543442212 its reverse (212244345), we get a palindrome (755686557).

The spelling of 543442212 in words is "five hundred forty-three million, four hundred forty-two thousand, two hundred twelve".