550903069450 has 12 divisors (see below), whose sum is σ = 1024679709270. Its totient is φ = 220361227760.

The previous prime is 550903069411. The next prime is 550903069459. The reversal of 550903069450 is 54960309055.

It can be written as a sum of positive squares in 3 ways, for example, as 504161061849 + 46742007601 = 710043^2 + 216199^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 550903069450.

It is not an unprimeable number, because it can be changed into a prime (550903069459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5509030645 + ... + 5509030744.

Almost surely, 2^550903069450 is an apocalyptic number.

550903069450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550903069450 is a deficient number, since it is larger than the sum of its proper divisors (473776639820).

550903069450 is a wasteful number, since it uses less digits than its factorization.

550903069450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11018061401 (or 11018061396 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 46.

The spelling of 550903069450 in words is "five hundred fifty billion, nine hundred three million, sixty-nine thousand, four hundred fifty".