505050056 has 24 divisors (see below), whose sum is σ = 1101576870. Its totient is φ = 216449856.

The previous prime is 505050053. The next prime is 505050067. The reversal of 505050056 is 650050505.

It can be written as a sum of positive squares in only one way, i.e., 498628900 + 6421156 = 22330^2 + 2534^2 .

It is not an unprimeable number, because it can be changed into a prime (505050053) 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, 643805 + ... + 644588.

Almost surely, 2^505050056 is an apocalyptic number.

505050056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

505050056 is an abundant number, since it is smaller than the sum of its proper divisors (596526814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505050056 is a wasteful number, since it uses less digits than its factorization.

505050056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288413 (or 1288402 counting only the distinct ones).

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

The square root of 505050056 is about 22473.3187580295. The cubic root of 505050056 is about 796.3637345084.

The spelling of 505050056 in words is "five hundred five million, fifty thousand, fifty-six".