550784973800 has 24 divisors (see below), whose sum is σ = 1280575064550. Its totient is φ = 220313989440.

The previous prime is 550784973773. The next prime is 550784973821. The reversal of 550784973800 is 8379487055.

It can be written as a sum of positive squares in 3 ways, for example, as 333019018084 + 217765955716 = 577078^2 + 466654^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1376962235 + ... + 1376962634.

Almost surely, 2^550784973800 is an apocalyptic number.

550784973800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550784973800 is an abundant number, since it is smaller than the sum of its proper divisors (729790090750).

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

550784973800 is a wasteful number, since it uses less digits than its factorization.

550784973800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753924885 (or 2753924876 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 56.

The spelling of 550784973800 in words is "five hundred fifty billion, seven hundred eighty-four million, nine hundred seventy-three thousand, eight hundred".