520790550 has 192 divisors, whose sum is σ = 1541044224. Its totient is φ = 113932800.

The previous prime is 520790549. The next prime is 520790591. The reversal of 520790550 is 55097025.

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 95 ways as a sum of consecutive naturals, for example, 3010264 + ... + 3010436.

It is an arithmetic number, because the mean of its divisors is an integer number (8026272).

Almost surely, 2^520790550 is an apocalyptic number.

520790550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 520790550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770522112).

520790550 is an abundant number, since it is smaller than the sum of its proper divisors (1020253674).

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

520790550 is a wasteful number, since it uses less digits than its factorization.

520790550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 33.

The square root of 520790550 is about 22820.8358742619. The cubic root of 520790550 is about 804.5524562459.

The spelling of 520790550 in words is "five hundred twenty million, seven hundred ninety thousand, five hundred fifty".