64856056 has 16 divisors (see below), whose sum is σ = 121690800. Its totient is φ = 32405184.

The previous prime is 64856053. The next prime is 64856081. The reversal of 64856056 is 65065846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64856053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19525 + ... + 22603.

It is an arithmetic number, because the mean of its divisors is an integer number (7605675).

Almost surely, 2^64856056 is an apocalyptic number.

It is an amenable number.

64856056 is a deficient number, since it is larger than the sum of its proper divisors (56834744).

64856056 is a wasteful number, since it uses less digits than its factorization.

64856056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718 (or 5714 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 64856056 is about 8053.3257726234. The cubic root of 64856056 is about 401.7755568331.

The spelling of 64856056 in words is "sixty-four million, eight hundred fifty-six thousand, fifty-six".