64556000 has 48 divisors (see below), whose sum is σ = 158623920. Its totient is φ = 25820800.

The previous prime is 64555951. The next prime is 64556033. The reversal of 64556000 is 65546.

64556000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4070 + ... + 12069.

It is an arithmetic number, because the mean of its divisors is an integer number (3304665).

Almost surely, 2^64556000 is an apocalyptic number.

It is an amenable number.

64556000 is an abundant number, since it is smaller than the sum of its proper divisors (94067920).

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

64556000 is a wasteful number, since it uses less digits than its factorization.

64556000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16164 (or 16146 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 64556000 is about 8034.6748534088. The cubic root of 64556000 is about 401.1549950892.

The spelling of 64556000 in words is "sixty-four million, five hundred fifty-six thousand".