520303056 has 160 divisors (see below), whose sum is σ = 1726556160. Its totient is φ = 131231232.

The previous prime is 520303051. The next prime is 520303061. The reversal of 520303056 is 650303025.

520303056 = T₃₃₃₆ + T₃₃₃₇ + ... + T₃₄₂₆.

It is an interprime number because it is at equal distance from previous prime (520303051) and next prime (520303061).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520303051) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 97875 + ... + 103053.

It is an arithmetic number, because the mean of its divisors is an integer number (10790976).

Almost surely, 2^520303056 is an apocalyptic number.

520303056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520303056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863278080).

520303056 is an abundant number, since it is smaller than the sum of its proper divisors (1206253104).

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

520303056 is a wasteful number, since it uses less digits than its factorization.

520303056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5233 (or 5227 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 520303056 is about 22810.1524764742. The cubic root of 520303056 is about 804.3013399777.

The spelling of 520303056 in words is "five hundred twenty million, three hundred three thousand, fifty-six".