555555441 has 8 divisors (see below), whose sum is σ = 846560704. Its totient is φ = 317460240.

The previous prime is 555555431. The next prime is 555555457. The reversal of 555555441 is 144555555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 555555441 - 2²⁹ = 18684529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 555555441.

It is not an unprimeable number, because it can be changed into a prime (555555431) 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 7 ways as a sum of consecutive naturals, for example, 13227490 + ... + 13227531.

It is an arithmetic number, because the mean of its divisors is an integer number (105820088).

Almost surely, 2^555555441 is an apocalyptic number.

It is an amenable number.

555555441 is a deficient number, since it is larger than the sum of its proper divisors (291005263).

555555441 is a wasteful number, since it uses less digits than its factorization.

555555441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26455031.

The product of its digits is 250000, while the sum is 39.

The square root of 555555441 is about 23570.2236094612. The cubic root of 555555441 is about 822.0706349398.

The spelling of 555555441 in words is "five hundred fifty-five million, five hundred fifty-five thousand, four hundred forty-one".