555325555 has 4 divisors (see below), whose sum is σ = 666390672. Its totient is φ = 444260440.

The previous prime is 555325549. The next prime is 555325567. The reversal of 555325555 is 555523555.

It is a happy number.

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

It is not a de Polignac number, because 555325555 - 2¹⁹ = 554801267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 55532551 + ... + 55532560.

It is an arithmetic number, because the mean of its divisors is an integer number (166597668).

Almost surely, 2^555325555 is an apocalyptic number.

555325555 is a deficient number, since it is larger than the sum of its proper divisors (111065117).

555325555 is a wasteful number, since it uses less digits than its factorization.

555325555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111065116.

The product of its digits is 468750, while the sum is 40.

The square root of 555325555 is about 23565.3464858890. The cubic root of 555325555 is about 821.9572297549.

The spelling of 555325555 in words is "five hundred fifty-five million, three hundred twenty-five thousand, five hundred fifty-five".