57540043 has 8 divisors (see below), whose sum is σ = 65500416. Its totient is φ = 50034600.

The previous prime is 57540011. The next prime is 57540073. The reversal of 57540043 is 34004575.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57540043 - 2⁵ = 57540011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57539993 and 57540020.

It is not an unprimeable number, because it can be changed into a prime (57540073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113463 + ... + 113968.

It is an arithmetic number, because the mean of its divisors is an integer number (8187552).

Almost surely, 2^57540043 is an apocalyptic number.

57540043 is a deficient number, since it is larger than the sum of its proper divisors (7960373).

57540043 is a wasteful number, since it uses less digits than its factorization.

57540043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227465.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 57540043 is about 7585.5153417550. The cubic root of 57540043 is about 386.0617076751.

The spelling of 57540043 in words is "fifty-seven million, five hundred forty thousand, forty-three".