64559601 has 12 divisors (see below), whose sum is σ = 93405312. Its totient is φ = 42969336.

The previous prime is 64559581. The next prime is 64559609. The reversal of 64559601 is 10695546.

64559601 is a `hidden beast` number, since 6 + 45 + 5 + 9 + 601 = 666.

It is not a de Polignac number, because 64559601 - 2⁵ = 64559569 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64559609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280 + ... + 11366.

It is an arithmetic number, because the mean of its divisors is an integer number (7783776).

Almost surely, 2^64559601 is an apocalyptic number.

It is an amenable number.

64559601 is a deficient number, since it is larger than the sum of its proper divisors (28845711).

64559601 is a wasteful number, since it uses less digits than its factorization.

64559601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11740 (or 11737 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 64559601 is about 8034.8989414927. The cubic root of 64559601 is about 401.1624538965.

The spelling of 64559601 in words is "sixty-four million, five hundred fifty-nine thousand, six hundred one".