505550056 has 32 divisors (see below), whose sum is σ = 1035866880. Its totient is φ = 229398400.

The previous prime is 505550027. The next prime is 505550083. The reversal of 505550056 is 650055505.

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, 49641 + ... + 58951.

It is an arithmetic number, because the mean of its divisors is an integer number (32370840).

Almost surely, 2^505550056 is an apocalyptic number.

It is an amenable number.

505550056 is an abundant number, since it is smaller than the sum of its proper divisors (530316824).

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

505550056 is a wasteful number, since it uses less digits than its factorization.

505550056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9945 (or 9941 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The square root of 505550056 is about 22484.4403088002. The cubic root of 505550056 is about 796.6264480979.

The spelling of 505550056 in words is "five hundred five million, five hundred fifty thousand, fifty-six".