550683816 has 32 divisors (see below), whose sum is σ = 1400047200. Its totient is φ = 180449600.

The previous prime is 550683797. The next prime is 550683817. The reversal of 550683816 is 618386055.

It is not an unprimeable number, because it can be changed into a prime (550683817) 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 7 ways as a sum of consecutive naturals, for example, 193035 + ... + 195866.

It is an arithmetic number, because the mean of its divisors is an integer number (43751475).

Almost surely, 2^550683816 is an apocalyptic number.

It is an amenable number.

550683816 is an abundant number, since it is smaller than the sum of its proper divisors (849363384).

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

550683816 is a wasteful number, since it uses less digits than its factorization.

550683816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388969 (or 388965 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 550683816 is about 23466.6532765113. The cubic root of 550683816 is about 819.6606845166.

The spelling of 550683816 in words is "five hundred fifty million, six hundred eighty-three thousand, eight hundred sixteen".