64328552 has 16 divisors (see below), whose sum is σ = 121386660. Its totient is φ = 31958784.

The previous prime is 64328543. The next prime is 64328573. The reversal of 64328552 is 25582346.

It can be written as a sum of positive squares in 2 ways, for example, as 61999876 + 2328676 = 7874^2 + 1526^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24353 + ... + 26864.

Almost surely, 2^64328552 is an apocalyptic number.

It is an amenable number.

64328552 is a deficient number, since it is larger than the sum of its proper divisors (57058108).

64328552 is a wasteful number, since it uses less digits than its factorization.

64328552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51380 (or 51376 counting only the distinct ones).

The product of its digits is 57600, while the sum is 35.

The square root of 64328552 is about 8020.5082133241. The cubic root of 64328552 is about 400.6833153689.

The spelling of 64328552 in words is "sixty-four million, three hundred twenty-eight thousand, five hundred fifty-two".