504255520 has 48 divisors (see below), whose sum is σ = 1195228440. Its totient is φ = 201037824.

The previous prime is 504255487. The next prime is 504255533. The reversal of 504255520 is 25552405.

It can be written as a sum of positive squares in 4 ways, for example, as 172869904 + 331385616 = 13148^2 + 18204^2 .

It is an unprimeable number.

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, 45046 + ... + 55114.

Almost surely, 2^504255520 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 504255520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (597614220).

504255520 is an abundant number, since it is smaller than the sum of its proper divisors (690972920).

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

504255520 is a wasteful number, since it uses less digits than its factorization.

504255520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10397 (or 10389 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 504255520 is about 22455.6344822408. The cubic root of 504255520 is about 795.9459067809.

It can be divided in two parts, 50425 and 5520, that added together give a triangular number (55945 = T₃₃₄).

The spelling of 504255520 in words is "five hundred four million, two hundred fifty-five thousand, five hundred twenty".