520146550 has 96 divisors (see below), whose sum is σ = 1214922240. Its totient is φ = 160953600.

The previous prime is 520146511. The next prime is 520146553. The reversal of 520146550 is 55641025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520146553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 642546 + ... + 643354.

It is an arithmetic number, because the mean of its divisors is an integer number (12655440).

Almost surely, 2^520146550 is an apocalyptic number.

520146550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

520146550 is an abundant number, since it is smaller than the sum of its proper divisors (694775690).

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

520146550 is a wasteful number, since it uses less digits than its factorization.

520146550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 1001 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 520146550 is about 22806.7215969328. The cubic root of 520146550 is about 804.2206878735.

Adding to 520146550 its reverse (55641025), we get a palindrome (575787575).

It can be divided in two parts, 52014 and 6550, that added together give a square (58564 = 242²).

The spelling of 520146550 in words is "five hundred twenty million, one hundred forty-six thousand, five hundred fifty".