57966943 has 2 divisors, whose sum is σ = 57966944. Its totient is φ = 57966942.

The previous prime is 57966941. The next prime is 57966949. The reversal of 57966943 is 34966975.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57966943 - 2¹ = 57966941 is a prime.

Together with 57966941, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57966941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28983471 + 28983472.

It is an arithmetic number, because the mean of its divisors is an integer number (28983472).

Almost surely, 2^57966943 is an apocalyptic number.

57966943 is a deficient number, since it is larger than the sum of its proper divisors (1).

57966943 is an equidigital number, since it uses as much as digits as its factorization.

57966943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 49.

The square root of 57966943 is about 7613.6024981608. The cubic root of 57966943 is about 387.0141101048.

The spelling of 57966943 in words is "fifty-seven million, nine hundred sixty-six thousand, nine hundred forty-three".