505000550056 has 8 divisors (see below), whose sum is σ = 946876031370. Its totient is φ = 252500275024.

The previous prime is 505000550029. The next prime is 505000550057. The reversal of 505000550056 is 650055000505.

It can be written as a sum of positive squares in only one way, i.e., 488413685956 + 16586864100 = 698866^2 + 128790^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (505000550057) 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 as a sum of consecutive naturals, namely, 31562534371 + ... + 31562534386.

Almost surely, 2^505000550056 is an apocalyptic number.

It is an amenable number.

505000550056 is a deficient number, since it is larger than the sum of its proper divisors (441875481314).

505000550056 is a wasteful number, since it uses less digits than its factorization.

505000550056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63125068763 (or 63125068759 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 505000550056 in words is "five hundred five billion, five hundred fifty thousand, fifty-six".