57942543 has 32 divisors (see below), whose sum is σ = 84142080. Its totient is φ = 35370720.

The previous prime is 57942541. The next prime is 57942559. The reversal of 57942543 is 34524975.

It is a Cunningham number, because it is equal to 7612²-1.

It is not a de Polignac number, because 57942543 - 2¹ = 57942541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57942541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174888 + ... + 175218.

It is an arithmetic number, because the mean of its divisors is an integer number (2629440).

Almost surely, 2^57942543 is an apocalyptic number.

57942543 is a deficient number, since it is larger than the sum of its proper divisors (26199537).

57942543 is a wasteful number, since it uses less digits than its factorization.

57942543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459.

The product of its digits is 151200, while the sum is 39.

The square root of 57942543 is about 7611.9999343142. Note that the first 4 decimals coincide. The cubic root of 57942543 is about 386.9598005905.

It can be divided in two parts, 57942 and 543, that added together give a palindrome (58485).

The spelling of 57942543 in words is "fifty-seven million, nine hundred forty-two thousand, five hundred forty-three".