520335552 has 56 divisors (see below), whose sum is σ = 1501883712. Its totient is φ = 157676800.

The previous prime is 520335547. The next prime is 520335553. The reversal of 520335552 is 255533025.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (520335553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121074 + ... + 125297.

It is an arithmetic number, because the mean of its divisors is an integer number (26819352).

Almost surely, 2^520335552 is an apocalyptic number.

It is an amenable number.

520335552 is an abundant number, since it is smaller than the sum of its proper divisors (981548160).

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

520335552 is a wasteful number, since it uses less digits than its factorization.

520335552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246397 (or 246387 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 30.

The square root of 520335552 is about 22810.8647797491. The cubic root of 520335552 is about 804.3180840861.

Adding to 520335552 its reverse (255533025), we get a palindrome (775868577).

It can be divided in two parts, 5203 and 35552, that added together give a triangular number (40755 = T₂₈₅).

The spelling of 520335552 in words is "five hundred twenty million, three hundred thirty-five thousand, five hundred fifty-two".