506820056 has 8 divisors (see below), whose sum is σ = 950287620. Its totient is φ = 253410024.

The previous prime is 506819981. The next prime is 506820071. The reversal of 506820056 is 650028605.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31676246 + ... + 31676261.

Almost surely, 2^506820056 is an apocalyptic number.

It is an amenable number.

506820056 is a deficient number, since it is larger than the sum of its proper divisors (443467564).

506820056 is a wasteful number, since it uses less digits than its factorization.

506820056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63352513 (or 63352509 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 506820056 is about 22512.6643469848. The cubic root of 506820056 is about 797.2929627687.

The spelling of 506820056 in words is "five hundred six million, eight hundred twenty thousand, fifty-six".