550563647 has 4 divisors (see below), whose sum is σ = 552706176. Its totient is φ = 548421120.

The previous prime is 550563641. The next prime is 550563653. The reversal of 550563647 is 746365055.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (550563641) and next prime (550563653).

It is a cyclic number.

It is not a de Polignac number, because 550563647 - 2⁴ = 550563631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550563641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1070879 + ... + 1071392.

It is an arithmetic number, because the mean of its divisors is an integer number (138176544).

Almost surely, 2^550563647 is an apocalyptic number.

550563647 is a deficient number, since it is larger than the sum of its proper divisors (2142529).

550563647 is a wasteful number, since it uses less digits than its factorization.

550563647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142528.

The product of its (nonzero) digits is 378000, while the sum is 41.

The square root of 550563647 is about 23464.0927163187. The cubic root of 550563647 is about 819.6010586676.

The spelling of 550563647 in words is "five hundred fifty million, five hundred sixty-three thousand, six hundred forty-seven".