64053549 has 24 divisors (see below), whose sum is σ = 108600960. Its totient is φ = 35611488.

The previous prime is 64053511. The next prime is 64053557. The reversal of 64053549 is 94535046.

It is a happy number.

64053549 is a `hidden beast` number, since 64 + 0 + 53 + 549 = 666.

64053549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 64053549 - 2⁷ = 64053421 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 (64053049) 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 in 23 ways as a sum of consecutive naturals, for example, 11409 + ... + 16070.

It is an arithmetic number, because the mean of its divisors is an integer number (4525040).

Almost surely, 2^64053549 is an apocalyptic number.

It is an amenable number.

64053549 is a deficient number, since it is larger than the sum of its proper divisors (44547411).

64053549 is a wasteful number, since it uses less digits than its factorization.

64053549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27529 (or 27526 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 64053549 is about 8003.3461127206. The cubic root of 64053549 is about 400.1115293168. Note that the first 3 decimals are identical.

The spelling of 64053549 in words is "sixty-four million, fifty-three thousand, five hundred forty-nine".