550633642250 has 64 divisors (see below), whose sum is σ = 1094273556480. Its totient is φ = 206755513600.

The previous prime is 550633642201. The next prime is 550633642253. The reversal of 550633642250 is 52246336055.

It is a junction number, because it is equal to n+sod(n) for n = 550633642198 and 550633642207.

It is not an unprimeable number, because it can be changed into a prime (550633642253) 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 31 ways as a sum of consecutive naturals, for example, 1458611 + ... + 1796889.

It is an arithmetic number, because the mean of its divisors is an integer number (17098024320).

Almost surely, 2^550633642250 is an apocalyptic number.

550633642250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550633642250 is a deficient number, since it is larger than the sum of its proper divisors (543639914230).

550633642250 is a wasteful number, since it uses less digits than its factorization.

550633642250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338696 (or 338686 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 41.

The spelling of 550633642250 in words is "five hundred fifty billion, six hundred thirty-three million, six hundred forty-two thousand, two hundred fifty".