520393056 has 48 divisors (see below), whose sum is σ = 1384763184. Its totient is φ = 171085824.

The previous prime is 520393051. The next prime is 520393121. The reversal of 520393056 is 650393025.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520393051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30121 + ... + 44136.

It is an arithmetic number, because the mean of its divisors is an integer number (28849233).

Almost surely, 2^520393056 is an apocalyptic number.

It is an amenable number.

520393056 is an abundant number, since it is smaller than the sum of its proper divisors (864370128).

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

520393056 is a wasteful number, since it uses less digits than its factorization.

520393056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74343 (or 74335 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 520393056 is about 22812.1251969210. The cubic root of 520393056 is about 804.3477122771.

The spelling of 520393056 in words is "five hundred twenty million, three hundred ninety-three thousand, fifty-six".