57243543 has 16 divisors (see below), whose sum is σ = 87513600. Its totient is φ = 32603616.

The previous prime is 57243541. The next prime is 57243553. The reversal of 57243543 is 34534275.

It is not a de Polignac number, because 57243543 - 2¹ = 57243541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57243541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2358 + ... + 10956.

It is an arithmetic number, because the mean of its divisors is an integer number (5469600).

Almost surely, 2^57243543 is an apocalyptic number.

57243543 is a deficient number, since it is larger than the sum of its proper divisors (30270057).

57243543 is a wasteful number, since it uses less digits than its factorization.

57243543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8926.

The product of its digits is 50400, while the sum is 33.

The square root of 57243543 is about 7565.9462726086. The cubic root of 57243543 is about 385.3974486695.

The spelling of 57243543 in words is "fifty-seven million, two hundred forty-three thousand, five hundred forty-three".