550545550 has 24 divisors (see below), whose sum is σ = 1024934400. Its totient is φ = 220020480.

The previous prime is 550545529. The next prime is 550545551. The reversal of 550545550 is 55545055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550545551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59646 + ... + 68254.

It is an arithmetic number, because the mean of its divisors is an integer number (42705600).

Almost surely, 2^550545550 is an apocalyptic number.

550545550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550545550 is a deficient number, since it is larger than the sum of its proper divisors (474388850).

550545550 is a wasteful number, since it uses less digits than its factorization.

550545550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9900 (or 9895 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The square root of 550545550 is about 23463.7070813629. The cubic root of 550545550 is about 819.5920784870.

The spelling of 550545550 in words is "five hundred fifty million, five hundred forty-five thousand, five hundred fifty".