543221052 has 24 divisors (see below), whose sum is σ = 1382744832. Its totient is φ = 164612400.

The previous prime is 543221033. The next prime is 543221057. The reversal of 543221052 is 250122345.

It is a super-2 number, since 2×543221052² = 590178222671973408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543221057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2057524 + ... + 2057787.

It is an arithmetic number, because the mean of its divisors is an integer number (57614368).

Almost surely, 2^543221052 is an apocalyptic number.

It is an amenable number.

543221052 is an abundant number, since it is smaller than the sum of its proper divisors (839523780).

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

543221052 is a wasteful number, since it uses less digits than its factorization.

543221052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4115329 (or 4115327 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 543221052 is about 23307.1030374862. The cubic root of 543221052 is about 815.9412022705.

Adding to 543221052 its reverse (250122345), we get a palindrome (793343397).

The spelling of 543221052 in words is "five hundred forty-three million, two hundred twenty-one thousand, fifty-two".