64057585 has 8 divisors (see below), whose sum is σ = 77000616. Its totient is φ = 51158400.

The previous prime is 64057579. The next prime is 64057597. The reversal of 64057585 is 58575046.

It can be written as a sum of positive squares in 4 ways, for example, as 38987536 + 25070049 = 6244^2 + 5007^2 .

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

It is not a de Polignac number, because 64057585 - 2⁹ = 64057073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7654 + ... + 13663.

It is an arithmetic number, because the mean of its divisors is an integer number (9625077).

Almost surely, 2^64057585 is an apocalyptic number.

It is an amenable number.

64057585 is a deficient number, since it is larger than the sum of its proper divisors (12943031).

64057585 is a wasteful number, since it uses less digits than its factorization.

64057585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21923.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 64057585 is about 8003.5982532858. The cubic root of 64057585 is about 400.1199327867.

The spelling of 64057585 in words is "sixty-four million, fifty-seven thousand, five hundred eighty-five".