57054971 has 2 divisors, whose sum is σ = 57054972. Its totient is φ = 57054970.

The previous prime is 57054953. The next prime is 57054979. The reversal of 57054971 is 17945075.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57054971 - 2¹⁰ = 57053947 is a prime.

It is not a weakly prime, because it can be changed into another prime (57054979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28527485 + 28527486.

It is an arithmetic number, because the mean of its divisors is an integer number (28527486).

Almost surely, 2^57054971 is an apocalyptic number.

57054971 is a deficient number, since it is larger than the sum of its proper divisors (1).

57054971 is an equidigital number, since it uses as much as digits as its factorization.

57054971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 57054971 is about 7553.4741013655. The cubic root of 57054971 is about 384.9737903111.

The spelling of 57054971 in words is "fifty-seven million, fifty-four thousand, nine hundred seventy-one".