520844056 has 8 divisors (see below), whose sum is σ = 976582620. Its totient is φ = 260422024.

The previous prime is 520843957. The next prime is 520844059. The reversal of 520844056 is 650448025.

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

It is a super-2 number, since 2×520844056² = 542557061341062272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520844059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32552746 + ... + 32552761.

Almost surely, 2^520844056 is an apocalyptic number.

It is an amenable number.

520844056 is a deficient number, since it is larger than the sum of its proper divisors (455738564).

520844056 is a wasteful number, since it uses less digits than its factorization.

520844056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65105513 (or 65105509 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 520844056 is about 22822.0081500292. The cubic root of 520844056 is about 804.5800085312.

The spelling of 520844056 in words is "five hundred twenty million, eight hundred forty-four thousand, fifty-six".