550307619648 has 42 divisors (see below), whose sum is σ = 1577357432274. Its totient is φ = 183435873024.

The previous prime is 550307619637. The next prime is 550307619649. The reversal of 550307619648 is 846916703055.

550307619648 is a `hidden beast` number, since 5 + 503 + 0 + 7 + 6 + 1 + 96 + 48 = 666.

It can be written as a sum of positive squares in only one way, i.e., 542237831424 + 8069788224 = 736368^2 + 89832^2 .

It is a junction number, because it is equal to n+sod(n) for n = 550307619594 and 550307619603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550307619649) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 477697011 + ... + 477698162.

Almost surely, 2^550307619648 is an apocalyptic number.

It is an amenable number.

550307619648 is an abundant number, since it is smaller than the sum of its proper divisors (1027049812626).

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

550307619648 is a wasteful number, since it uses less digits than its factorization.

550307619648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955395191 (or 955395178 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 550307619648 in words is "five hundred fifty billion, three hundred seven million, six hundred nineteen thousand, six hundred forty-eight".