328502505550 has 12 divisors (see below), whose sum is σ = 611014660416. Its totient is φ = 131401002200.

The previous prime is 328502505521. The next prime is 328502505581. The reversal of 328502505550 is 55505205823.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3285025006 + ... + 3285025105.

It is an arithmetic number, because the mean of its divisors is an integer number (50917888368).

Almost surely, 2^328502505550 is an apocalyptic number.

328502505550 is a deficient number, since it is larger than the sum of its proper divisors (282512154866).

328502505550 is a wasteful number, since it uses less digits than its factorization.

328502505550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570050123 (or 6570050118 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 328502505550 in words is "three hundred twenty-eight billion, five hundred two million, five hundred five thousand, five hundred fifty".