57643009 has 8 divisors (see below), whose sum is σ = 59004288. Its totient is φ = 56287440.

The previous prime is 57642989. The next prime is 57643031. The reversal of 57643009 is 90034675.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57643009 - 2⁷ = 57642881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57643049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24294 + ... + 26560.

It is an arithmetic number, because the mean of its divisors is an integer number (7375536).

Almost surely, 2^57643009 is an apocalyptic number.

It is an amenable number.

57643009 is a deficient number, since it is larger than the sum of its proper divisors (1361279).

57643009 is a wasteful number, since it uses less digits than its factorization.

57643009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 57643009 is about 7592.2993223397. The cubic root of 57643009 is about 386.2918519949.

The spelling of 57643009 in words is "fifty-seven million, six hundred forty-three thousand, nine".