505550505067 has 4 divisors (see below), whose sum is σ = 505553650000. Its totient is φ = 505547360136.

The previous prime is 505550505049. The next prime is 505550505071. The reversal of 505550505067 is 760505055505.

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

It is a cyclic number.

It is not a de Polignac number, because 505550505067 - 2¹⁹ = 505549980779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505550505077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1317567 + ... + 1657432.

It is an arithmetic number, because the mean of its divisors is an integer number (126388412500).

Almost surely, 2^505550505067 is an apocalyptic number.

505550505067 is a deficient number, since it is larger than the sum of its proper divisors (3144933).

505550505067 is a wasteful number, since it uses less digits than its factorization.

505550505067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144932.

The product of its (nonzero) digits is 656250, while the sum is 43.

The spelling of 505550505067 in words is "five hundred five billion, five hundred fifty million, five hundred five thousand, sixty-seven".