520053248 has 80 divisors (see below), whose sum is σ = 1220921856. Its totient is φ = 218173440.

The previous prime is 520053229. The next prime is 520053251. The reversal of 520053248 is 842350025.

It is a self number, because there is not a number n which added to its sum of digits gives 520053248.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69665 + ... + 76767.

Almost surely, 2^520053248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520053248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610460928).

520053248 is an abundant number, since it is smaller than the sum of its proper divisors (700868608).

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

520053248 is a wasteful number, since it uses less digits than its factorization.

520053248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7145 (or 7129 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 520053248 is about 22804.6760117306. The cubic root of 520053248 is about 804.1725989355.

It can be divided in two parts, 5200 and 53248, that multiplied together give a square (276889600 = 16640²).

The spelling of 520053248 in words is "five hundred twenty million, fifty-three thousand, two hundred forty-eight".