328075553 has 4 divisors (see below), whose sum is σ = 353312148. Its totient is φ = 302838960.

The previous prime is 328075547. The next prime is 328075591. The reversal of 328075553 is 355570823.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89434849 + 238640704 = 9457^2 + 15448^2 .

It is a cyclic number.

It is not a de Polignac number, because 328075553 - 2¹⁶ = 328010017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328075523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12618278 + ... + 12618303.

It is an arithmetic number, because the mean of its divisors is an integer number (88328037).

Almost surely, 2^328075553 is an apocalyptic number.

It is an amenable number.

328075553 is a deficient number, since it is larger than the sum of its proper divisors (25236595).

328075553 is a wasteful number, since it uses less digits than its factorization.

328075553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25236594.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 328075553 is about 18112.8560144445. The cubic root of 328075553 is about 689.6963958726.

The spelling of 328075553 in words is "three hundred twenty-eight million, seventy-five thousand, five hundred fifty-three".