505000000550 has 12 divisors (see below), whose sum is σ = 939300001116. Its totient is φ = 202000000200.

The previous prime is 505000000481. The next prime is 505000000553. The reversal of 505000000550 is 55000000505.

It is a happy number.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 5049999956 + ... + 5050000055.

It is an arithmetic number, because the mean of its divisors is an integer number (78275000093).

Almost surely, 2^505000000550 is an apocalyptic number.

505000000550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505000000550 is a deficient number, since it is larger than the sum of its proper divisors (434300000566).

505000000550 is a wasteful number, since it uses less digits than its factorization.

505000000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10100000023 (or 10100000018 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 20.

The spelling of 505000000550 in words is "five hundred five billion, five hundred fifty", and thus it is an aban number.