505000000556 has 24 divisors (see below), whose sum is σ = 884684559360. Its totient is φ = 252233131392.

The previous prime is 505000000553. The next prime is 505000000577. The reversal of 505000000556 is 655000000505.

It is not an unprimeable number, because it can be changed into a prime (505000000553) 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 7 ways as a sum of consecutive naturals, for example, 15275861 + ... + 15308883.

It is an arithmetic number, because the mean of its divisors is an integer number (36861856640).

Almost surely, 2^505000000556 is an apocalyptic number.

It is an amenable number.

505000000556 is a deficient number, since it is larger than the sum of its proper divisors (379684558804).

505000000556 is a wasteful number, since it uses less digits than its factorization.

505000000556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36953 (or 36951 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The spelling of 505000000556 in words is "five hundred five billion, five hundred fifty-six", and thus it is an aban number.