57543 has 4 divisors (see below), whose sum is σ = 76728. Its totient is φ = 38360.

The previous prime is 57529. The next prime is 57557. The reversal of 57543 is 34575.

57543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (57529) and next prime (57557).

It is a cyclic number.

It is not a de Polignac number, because 57543 - 2⁴ = 57527 is a prime.

It is a super-2 number, since 2×57543² = 6622393698, which contains 22 as substring.

It is a D-number.

It is a plaindrome in base 6.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9588 + ... + 9593.

It is an arithmetic number, because the mean of its divisors is an integer number (19182).

2⁵⁷⁵⁴³ is an apocalyptic number.

57543 is a deficient number, since it is larger than the sum of its proper divisors (19185).

57543 is a wasteful number, since it uses less digits than its factorization.

57543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19184.

The product of its digits is 2100, while the sum is 24.

The square root of 57543 is about 239.8812206072. The cubic root of 57543 is about 38.6068320837.

The spelling of 57543 in words is "fifty-seven thousand, five hundred forty-three".