57486971 has 2 divisors, whose sum is σ = 57486972. Its totient is φ = 57486970.

The previous prime is 57486943. The next prime is 57486973. The reversal of 57486971 is 17968475.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57486971 - 2¹⁴ = 57470587 is a prime.

Together with 57486973, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57486973) 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, 28743485 + 28743486.

It is an arithmetic number, because the mean of its divisors is an integer number (28743486).

Almost surely, 2^57486971 is an apocalyptic number.

57486971 is a deficient number, since it is larger than the sum of its proper divisors (1).

57486971 is an equidigital number, since it uses as much as digits as its factorization.

57486971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The square root of 57486971 is about 7582.0162885607. The cubic root of 57486971 is about 385.9429766230.

The spelling of 57486971 in words is "fifty-seven million, four hundred eighty-six thousand, nine hundred seventy-one".