550655770 has 64 divisors (see below), whose sum is σ = 1176353280. Its totient is φ = 181585152.

The previous prime is 550655767. The next prime is 550655771. The reversal of 550655770 is 77556055.

It is not an unprimeable number, because it can be changed into a prime (550655771) 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, 988332 + ... + 988888.

It is an arithmetic number, because the mean of its divisors is an integer number (18380520).

Almost surely, 2^550655770 is an apocalyptic number.

550655770 is an abundant number, since it is smaller than the sum of its proper divisors (625697510).

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

550655770 is a wasteful number, since it uses less digits than its factorization.

550655770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087.

The product of its (nonzero) digits is 183750, while the sum is 40.

The square root of 550655770 is about 23466.0556975389. The cubic root of 550655770 is about 819.6467693363.

The spelling of 550655770 in words is "five hundred fifty million, six hundred fifty-five thousand, seven hundred seventy".