550000000520 has 64 divisors (see below), whose sum is σ = 1240879201920. Its totient is φ = 219399957504.

The previous prime is 550000000499. The next prime is 550000000577. The reversal of 550000000520 is 25000000055.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27248672 + ... + 27268848.

It is an arithmetic number, because the mean of its divisors is an integer number (19388737530).

Almost surely, 2^550000000520 is an apocalyptic number.

It is an amenable number.

550000000520 is an abundant number, since it is smaller than the sum of its proper divisors (690879201400).

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

550000000520 is a wasteful number, since it uses less digits than its factorization.

550000000520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22014 (or 22010 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 17.

Adding to 550000000520 its reverse (25000000055), we get a palindrome (575000000575).

The spelling of 550000000520 in words is "five hundred fifty billion, five hundred twenty", and thus it is an aban number.