57643529 has 2 divisors, whose sum is σ = 57643530. Its totient is φ = 57643528.

The previous prime is 57643519. The next prime is 57643541. The reversal of 57643529 is 92534675.

57643529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57078025 + 565504 = 7555^2 + 752^2 .

It is a cyclic number.

It is not a de Polignac number, because 57643529 - 2²⁴ = 40866313 is a prime.

It is not a weakly prime, because it can be changed into another prime (57643519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28821764 + 28821765.

It is an arithmetic number, because the mean of its divisors is an integer number (28821765).

Almost surely, 2^57643529 is an apocalyptic number.

It is an amenable number.

57643529 is a deficient number, since it is larger than the sum of its proper divisors (1).

57643529 is an equidigital number, since it uses as much as digits as its factorization.

57643529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 41.

The square root of 57643529 is about 7592.3335674877. Note that the first 3 decimals coincide. The cubic root of 57643529 is about 386.2930135764.

The spelling of 57643529 in words is "fifty-seven million, six hundred forty-three thousand, five hundred twenty-nine".