550566551 has 8 divisors (see below), whose sum is σ = 553294560. Its totient is φ = 547845408.

The previous prime is 550566529. The next prime is 550566557. The reversal of 550566551 is 155665055.

550566551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550566551 - 2⁶ = 550566487 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 (550566557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229265 + ... + 231653.

It is an arithmetic number, because the mean of its divisors is an integer number (69161820).

Almost surely, 2^550566551 is an apocalyptic number.

550566551 is a deficient number, since it is larger than the sum of its proper divisors (2728009).

550566551 is a wasteful number, since it uses less digits than its factorization.

550566551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433.

The product of its (nonzero) digits is 112500, while the sum is 38.

The square root of 550566551 is about 23464.1545980246. The cubic root of 550566551 is about 819.6024996861.

The spelling of 550566551 in words is "five hundred fifty million, five hundred sixty-six thousand, five hundred fifty-one".