505055050 has 12 divisors (see below), whose sum is σ = 939402486. Its totient is φ = 202022000.

The previous prime is 505055009. The next prime is 505055053. The reversal of 505055050 is 50550505.

It can be written as a sum of positive squares in 3 ways, for example, as 467121769 + 37933281 = 21613^2 + 6159^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (505055053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5050501 + ... + 5050600.

Almost surely, 2^505055050 is an apocalyptic number.

505055050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505055050 is a deficient number, since it is larger than the sum of its proper divisors (434347436).

505055050 is a wasteful number, since it uses less digits than its factorization.

505055050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101113 (or 10101108 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

The square root of 505055050 is about 22473.4298672900. The cubic root of 505055050 is about 796.3663593488.

It can be divided in two parts, 50505 and 5050, that added together give a palindrome (55555).

The spelling of 505055050 in words is "five hundred five million, fifty-five thousand, fifty".