57065543 has 4 divisors (see below), whose sum is σ = 57081360. Its totient is φ = 57049728.

The previous prime is 57065537. The next prime is 57065557. The reversal of 57065543 is 34556075.

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

It is a cyclic number.

It is not a de Polignac number, because 57065543 - 2⁶ = 57065479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57065573) 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, 446 + ... + 10692.

It is an arithmetic number, because the mean of its divisors is an integer number (14270340).

Almost surely, 2^57065543 is an apocalyptic number.

57065543 is a deficient number, since it is larger than the sum of its proper divisors (15817).

57065543 is a wasteful number, since it uses less digits than its factorization.

57065543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15816.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 57065543 is about 7554.1738793862. The cubic root of 57065543 is about 384.9975667469.

The spelling of 57065543 in words is "fifty-seven million, sixty-five thousand, five hundred forty-three".