57947 has 2 divisors, whose sum is σ = 57948. Its totient is φ = 57946.

The previous prime is 57943. The next prime is 57973. The reversal of 57947 is 74975.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57947 - 2² = 57943 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28973 + 28974.

It is an arithmetic number, because the mean of its divisors is an integer number (28974).

2⁵⁷⁹⁴⁷ is an apocalyptic number.

57947 is a deficient number, since it is larger than the sum of its proper divisors (1).

57947 is an equidigital number, since it uses as much as digits as its factorization.

57947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 32.

The square root of 57947 is about 240.7218311662. The cubic root of 57947 is about 38.6969722118.

It can be divided in two parts, 579 and 47, that added together give a palindrome (626).

The spelling of 57947 in words is "fifty-seven thousand, nine hundred forty-seven".