555328055 has 4 divisors (see below), whose sum is σ = 666393672. Its totient is φ = 444262440.

The previous prime is 555328027. The next prime is 555328057. The reversal of 555328055 is 550823555.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550823555 = 5 ⋅110164711.

It is not a de Polignac number, because 555328055 - 2¹² = 555323959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555328057) 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, 55532801 + ... + 55532810.

It is an arithmetic number, because the mean of its divisors is an integer number (166598418).

Almost surely, 2^555328055 is an apocalyptic number.

555328055 is a deficient number, since it is larger than the sum of its proper divisors (111065617).

555328055 is a wasteful number, since it uses less digits than its factorization.

555328055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111065616.

The product of its (nonzero) digits is 150000, while the sum is 38.

The square root of 555328055 is about 23565.3995298191. The cubic root of 555328055 is about 821.9584631995.

The spelling of 555328055 in words is "five hundred fifty-five million, three hundred twenty-eight thousand, fifty-five".