505005056 has 22 divisors (see below), whose sum is σ = 1009518990. Its totient is φ = 252502016.

The previous prime is 505005049. The next prime is 505005091. The reversal of 505005056 is 650500505.

It can be written as a sum of positive squares in only one way, i.e., 261145600 + 243859456 = 16160^2 + 15616^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245561 + ... + 247608.

Almost surely, 2^505005056 is an apocalyptic number.

It is an amenable number.

505005056 is a deficient number, since it is larger than the sum of its proper divisors (504513934).

505005056 is an equidigital number, since it uses as much as digits as its factorization.

505005056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493189 (or 493171 counting only the distinct ones).

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

The square root of 505005056 is about 22472.3175484862. The cubic root of 505005056 is about 796.3400817819.

The spelling of 505005056 in words is "five hundred five million, five thousand, fifty-six".