505560056 has 32 divisors (see below), whose sum is σ = 1041206400. Its totient is φ = 229062240.

The previous prime is 505560049. The next prime is 505560061. The reversal of 505560056 is 650065505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68810 + ... + 75801.

It is an arithmetic number, because the mean of its divisors is an integer number (32537700).

Almost surely, 2^505560056 is an apocalyptic number.

It is an amenable number.

505560056 is an abundant number, since it is smaller than the sum of its proper divisors (535646344).

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

505560056 is a wasteful number, since it uses less digits than its factorization.

505560056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144659 (or 144655 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 505560056 is about 22484.6626837051. The cubic root of 505560056 is about 796.6317006025.

The spelling of 505560056 in words is "five hundred five million, five hundred sixty thousand, fifty-six".