505511056 has 20 divisors (see below), whose sum is σ = 996030000. Its totient is φ = 248471072.

The previous prime is 505511029. The next prime is 505511077. The reversal of 505511056 is 650115505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266806 + ... + 268693.

It is an arithmetic number, because the mean of its divisors is an integer number (49801500).

Almost surely, 2^505511056 is an apocalyptic number.

It is an amenable number.

505511056 is a deficient number, since it is larger than the sum of its proper divisors (490518944).

505511056 is a wasteful number, since it uses less digits than its factorization.

505511056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535566 (or 535560 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 505511056 is about 22483.5730256559. The cubic root of 505511056 is about 796.6059626682.

The spelling of 505511056 in words is "five hundred five million, five hundred eleven thousand, fifty-six".