64556323 has 8 divisors (see below), whose sum is σ = 69588288. Its totient is φ = 59533824.

The previous prime is 64556311. The next prime is 64556329. The reversal of 64556323 is 32365546.

64556323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64556323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64556329) 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 7 ways as a sum of consecutive naturals, for example, 19011 + ... + 22147.

It is an arithmetic number, because the mean of its divisors is an integer number (8698536).

Almost surely, 2^64556323 is an apocalyptic number.

64556323 is a deficient number, since it is larger than the sum of its proper divisors (5031965).

64556323 is a wasteful number, since it uses less digits than its factorization.

64556323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733.

The product of its digits is 64800, while the sum is 34.

The square root of 64556323 is about 8034.6949537615. The cubic root of 64556323 is about 401.1556641355.

The spelling of 64556323 in words is "sixty-four million, five hundred fifty-six thousand, three hundred twenty-three".