57047 has 2 divisors, whose sum is σ = 57048. Its totient is φ = 57046.

The previous prime is 57041. The next prime is 57059. The reversal of 57047 is 74075.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57047 - 2⁶ = 56983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28523 + 28524.

It is an arithmetic number, because the mean of its divisors is an integer number (28524).

2⁵⁷⁰⁴⁷ is an apocalyptic number.

57047 is a deficient number, since it is larger than the sum of its proper divisors (1).

57047 is an equidigital number, since it uses as much as digits as its factorization.

57047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 57047 is about 238.8451381125. The cubic root of 57047 is about 38.4955861584.

The spelling of 57047 in words is "fifty-seven thousand, forty-seven".