64055656 has 16 divisors (see below), whose sum is σ = 137262240. Its totient is φ = 27452400.

The previous prime is 64055647. The next prime is 64055659. The reversal of 64055656 is 65655046.

64055656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64055659) 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 3 ways as a sum of consecutive naturals, for example, 571870 + ... + 571981.

It is an arithmetic number, because the mean of its divisors is an integer number (8578890).

Almost surely, 2^64055656 is an apocalyptic number.

It is an amenable number.

64055656 is an abundant number, since it is smaller than the sum of its proper divisors (73206584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64055656 is a wasteful number, since it uses less digits than its factorization.

64055656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143864 (or 1143860 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 64055656 is about 8003.4777440810. The cubic root of 64055656 is about 400.1159164052.

The spelling of 64055656 in words is "sixty-four million, fifty-five thousand, six hundred fifty-six".