64552648 has 8 divisors (see below), whose sum is σ = 121036230. Its totient is φ = 32276320.

The previous prime is 64552643. The next prime is 64552721. The reversal of 64552648 is 84625546.

It can be written as a sum of positive squares in only one way, i.e., 33616804 + 30935844 = 5798^2 + 5562^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 64552648.

It is not an unprimeable number, because it can be changed into a prime (64552643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4034533 + ... + 4034548.

Almost surely, 2^64552648 is an apocalyptic number.

It is an amenable number.

64552648 is a deficient number, since it is larger than the sum of its proper divisors (56483582).

64552648 is a wasteful number, since it uses less digits than its factorization.

64552648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8069087 (or 8069083 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The square root of 64552648 is about 8034.4662548299. The cubic root of 64552648 is about 401.1480517903.

The spelling of 64552648 in words is "sixty-four million, five hundred fifty-two thousand, six hundred forty-eight".