550105647 has 24 divisors (see below), whose sum is σ = 907703424. Its totient is φ = 290163744.

The previous prime is 550105643. The next prime is 550105649. The reversal of 550105647 is 746501055.

550105647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 550105647 - 2² = 550105643 is a prime.

It is a super-2 number, since 2×550105647² = 605232445722577218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550105643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73953 + ... + 81050.

It is an arithmetic number, because the mean of its divisors is an integer number (37820976).

Almost surely, 2^550105647 is an apocalyptic number.

550105647 is a deficient number, since it is larger than the sum of its proper divisors (357597777).

550105647 is a wasteful number, since it uses less digits than its factorization.

550105647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155039 (or 155026 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 550105647 is about 23454.3310925722. The cubic root of 550105647 is about 819.3737271416.

The spelling of 550105647 in words is "five hundred fifty million, one hundred five thousand, six hundred forty-seven".