64556496 has 30 divisors (see below), whose sum is σ = 180668930. Its totient is φ = 21518784.

The previous prime is 64556467. The next prime is 64556501. The reversal of 64556496 is 69465546.

64556496 is a `hidden beast` number, since 6 + 4 + 556 + 4 + 96 = 666.

64556496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 63680400 + 876096 = 7980^2 + 936^2 .

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 5 ways as a sum of consecutive naturals, for example, 224011 + ... + 224298.

Almost surely, 2^64556496 is an apocalyptic number.

It is an amenable number.

64556496 is an abundant number, since it is smaller than the sum of its proper divisors (116112434).

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

64556496 is a wasteful number, since it uses less digits than its factorization.

64556496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448323 (or 448314 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 64556496 is about 8034.7057195643. The cubic root of 64556496 is about 401.1560224782.

The spelling of 64556496 in words is "sixty-four million, five hundred fifty-six thousand, four hundred ninety-six".