550646055 has 48 divisors (see below), whose sum is σ = 995211360. Its totient is φ = 281299200.

The previous prime is 550646053. The next prime is 550646069.

It is a happy number.

550646055 is a `hidden beast` number, since 5 + 5 + 0 + 646 + 0 + 5 + 5 = 666.

550646055 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 550646055 - 2¹ = 550646053 is a prime.

It is a super-2 number, since 2×550646055² = 606422155774126050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550646053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169345 + ... + 172565.

It is an arithmetic number, because the mean of its divisors is an integer number (20733570).

Almost surely, 2^550646055 is an apocalyptic number.

550646055 is a deficient number, since it is larger than the sum of its proper divisors (444565305).

550646055 is a wasteful number, since it uses less digits than its factorization.

550646055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392 (or 3389 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 550646055 is about 23465.8486954979. The cubic root of 550646055 is about 819.6419490743.

The spelling of 550646055 in words is "five hundred fifty million, six hundred forty-six thousand, fifty-five".