520016550 has 48 divisors (see below), whose sum is σ = 1291859280. Its totient is φ = 138432640.

The previous prime is 520016531. The next prime is 520016551. The reversal of 520016550 is 55610025.

It is a self number, because there is not a number n which added to its sum of digits gives 520016550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520016551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95296 + ... + 100604.

It is an arithmetic number, because the mean of its divisors is an integer number (26913735).

Almost surely, 2^520016550 is an apocalyptic number.

520016550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

520016550 is an abundant number, since it is smaller than the sum of its proper divisors (771842730).

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

520016550 is a wasteful number, since it uses less digits than its factorization.

520016550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977 (or 5972 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 520016550 is about 22803.8713818509. The cubic root of 520016550 is about 804.1536827826.

Adding to 520016550 its reverse (55610025), we get a palindrome (575626575).

The spelling of 520016550 in words is "five hundred twenty million, sixteen thousand, five hundred fifty".