57071543 has 2 divisors, whose sum is σ = 57071544. Its totient is φ = 57071542.

The previous prime is 57071537. The next prime is 57071557. The reversal of 57071543 is 34517075.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57071543 - 2¹⁶ = 57006007 is a prime.

It is a super-2 number, since 2×57071543² = 6514322040801698, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57071503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28535771 + 28535772.

It is an arithmetic number, because the mean of its divisors is an integer number (28535772).

Almost surely, 2^57071543 is an apocalyptic number.

57071543 is a deficient number, since it is larger than the sum of its proper divisors (1).

57071543 is an equidigital number, since it uses as much as digits as its factorization.

57071543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 57071543 is about 7554.5710003944. The cubic root of 57071543 is about 385.0110594451.

The spelling of 57071543 in words is "fifty-seven million, seventy-one thousand, five hundred forty-three".