520553230 has 16 divisors (see below), whose sum is σ = 938270304. Its totient is φ = 207938080.

The previous prime is 520553213. The next prime is 520553249. The reversal of 520553230 is 32355025.

It is a junction number, because it is equal to n+sod(n) for n = 520553195 and 520553204.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27601 + ... + 42460.

It is an arithmetic number, because the mean of its divisors is an integer number (58641894).

Almost surely, 2^520553230 is an apocalyptic number.

520553230 is a deficient number, since it is larger than the sum of its proper divisors (417717074).

520553230 is a wasteful number, since it uses less digits than its factorization.

520553230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70811.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 520553230 is about 22815.6356475116. The cubic root of 520553230 is about 804.4302283503.

The spelling of 520553230 in words is "five hundred twenty million, five hundred fifty-three thousand, two hundred thirty".