505656056 has 16 divisors (see below), whose sum is σ = 948526440. Its totient is φ = 252715680.

The previous prime is 505656037. The next prime is 505656059. The reversal of 505656056 is 650656505.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505656059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6926 + ... + 32546.

Almost surely, 2^505656056 is an apocalyptic number.

It is an amenable number.

505656056 is a deficient number, since it is larger than the sum of its proper divisors (442870384).

505656056 is a wasteful number, since it uses less digits than its factorization.

505656056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28094 (or 28090 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 505656056 is about 22486.7973709019. The cubic root of 505656056 is about 796.6821211228.

The spelling of 505656056 in words is "five hundred five million, six hundred fifty-six thousand, fifty-six".