550646001 has 12 divisors (see below), whose sum is σ = 796978000. Its totient is φ = 366358680.

The previous prime is 550645961. The next prime is 550646021. The reversal of 550646001 is 100646055.

It is a happy number.

550646001 is a `hidden beast` number, since 5 + 50 + 6 + 4 + 600 + 1 = 666.

It is not a de Polignac number, because 550646001 - 2¹⁹ = 550121713 is a prime.

It is a super-2 number, since 2×550646001² = 606422036834584002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550646021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56815 + ... + 65796.

Almost surely, 2^550646001 is an apocalyptic number.

It is an amenable number.

550646001 is a deficient number, since it is larger than the sum of its proper divisors (246331999).

550646001 is a wasteful number, since it uses less digits than its factorization.

550646001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123116 (or 123113 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 550646001 is about 23465.8475448896. The cubic root of 550646001 is about 819.6419222812.

The spelling of 550646001 in words is "five hundred fifty million, six hundred forty-six thousand, one".