57998971 has 2 divisors, whose sum is σ = 57998972. Its totient is φ = 57998970.

The previous prime is 57998953. The next prime is 57998981. The reversal of 57998971 is 17989975.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57998971 - 2¹¹ = 57996923 is a prime.

It is a super-3 number, since 3×57998971³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57998981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28999485 + 28999486.

It is an arithmetic number, because the mean of its divisors is an integer number (28999486).

Almost surely, 2^57998971 is an apocalyptic number.

57998971 is a deficient number, since it is larger than the sum of its proper divisors (1).

57998971 is an equidigital number, since it uses as much as digits as its factorization.

57998971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1428840, while the sum is 55.

The square root of 57998971 is about 7615.7055484046. The cubic root of 57998971 is about 387.0853748929.

The spelling of 57998971 in words is "fifty-seven million, nine hundred ninety-eight thousand, nine hundred seventy-one".