543430057 has 4 divisors (see below), whose sum is σ = 543486916. Its totient is φ = 543373200.

The previous prime is 543430037. The next prime is 543430081. The reversal of 543430057 is 750034345.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 6859161 + 536570896 = 2619^2 + 23164^2 .

It is a cyclic number.

It is not a de Polignac number, because 543430057 - 2¹¹ = 543428009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (543430037) 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, 10194 + ... + 34507.

It is an arithmetic number, because the mean of its divisors is an integer number (135871729).

Almost surely, 2^543430057 is an apocalyptic number.

It is an amenable number.

543430057 is a deficient number, since it is larger than the sum of its proper divisors (56859).

543430057 is a wasteful number, since it uses less digits than its factorization.

543430057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56858.

The product of its (nonzero) digits is 25200, while the sum is 31.

The square root of 543430057 is about 23311.5863252589. The cubic root of 543430057 is about 816.0458336624.

The spelling of 543430057 in words is "five hundred forty-three million, four hundred thirty thousand, fifty-seven".