505550555003 has 8 divisors (see below), whose sum is σ = 544494655488. Its totient is φ = 466614396864.

The previous prime is 505550554987. The next prime is 505550555033. The reversal of 505550555003 is 300555055505.

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

It is a cyclic number.

It is not a de Polignac number, because 505550555003 - 2⁴ = 505550554987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505550555033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1853051 + ... + 2108292.

It is an arithmetic number, because the mean of its divisors is an integer number (68061831936).

Almost surely, 2^505550555003 is an apocalyptic number.

505550555003 is a deficient number, since it is larger than the sum of its proper divisors (38944100485).

505550555003 is a wasteful number, since it uses less digits than its factorization.

505550555003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971173.

The product of its (nonzero) digits is 234375, while the sum is 38.

The spelling of 505550555003 in words is "five hundred five billion, five hundred fifty million, five hundred fifty-five thousand, three".