550001683720 has 32 divisors (see below), whose sum is σ = 1254455901720. Its totient is φ = 216986964480.

The previous prime is 550001683687. The next prime is 550001683789. The reversal of 550001683720 is 27386100055.

It can be written as a sum of positive squares in 4 ways, for example, as 326770003044 + 223231680676 = 571638^2 + 472474^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 550001683720.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94175451 + ... + 94181290.

Almost surely, 2^550001683720 is an apocalyptic number.

It is an amenable number.

550001683720 is an abundant number, since it is smaller than the sum of its proper divisors (704454218000).

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

550001683720 is a wasteful number, since it uses less digits than its factorization.

550001683720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188356825 (or 188356821 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

Adding to 550001683720 its reverse (27386100055), we get a palindrome (577387783775).

The spelling of 550001683720 in words is "five hundred fifty billion, one million, six hundred eighty-three thousand, seven hundred twenty".