64656552 has 16 divisors (see below), whose sum is σ = 161641440. Its totient is φ = 21552176.

The previous prime is 64656551. The next prime is 64656577. The reversal of 64656552 is 25565646.

It is a happy number.

64656552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64656552.

It is not an unprimeable number, because it can be changed into a prime (64656551) 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, 1346988 + ... + 1347035.

It is an arithmetic number, because the mean of its divisors is an integer number (10102590).

Almost surely, 2^64656552 is an apocalyptic number.

It is an amenable number.

64656552 is an abundant number, since it is smaller than the sum of its proper divisors (96984888).

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

64656552 is a wasteful number, since it uses less digits than its factorization.

64656552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694032 (or 2694028 counting only the distinct ones).

The product of its digits is 216000, while the sum is 39.

The square root of 64656552 is about 8040.9297969824. The cubic root of 64656552 is about 401.3631658367.

The spelling of 64656552 in words is "sixty-four million, six hundred fifty-six thousand, five hundred fifty-two".