57985969 has 2 divisors, whose sum is σ = 57985970. Its totient is φ = 57985968.

The previous prime is 57985951. The next prime is 57985979. The reversal of 57985969 is 96958975.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39538944 + 18447025 = 6288^2 + 4295^2 .

It is a cyclic number.

It is not a de Polignac number, because 57985969 - 2⁵ = 57985937 is a prime.

It is a super-2 number, since 2×57985969² = 6724745201737922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57985979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28992984 + 28992985.

It is an arithmetic number, because the mean of its divisors is an integer number (28992985).

Almost surely, 2^57985969 is an apocalyptic number.

It is an amenable number.

57985969 is a deficient number, since it is larger than the sum of its proper divisors (1).

57985969 is an equidigital number, since it uses as much as digits as its factorization.

57985969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6123600, while the sum is 58.

The square root of 57985969 is about 7614.8518698659. The cubic root of 57985969 is about 387.0564475971.

The spelling of 57985969 in words is "fifty-seven million, nine hundred eighty-five thousand, nine hundred sixty-nine".