550050011001 has 72 divisors (see below), whose sum is σ = 844730583840. Its totient is φ = 344841587712.

The previous prime is 550050010973. The next prime is 550050011081. The reversal of 550050011001 is 100110050055.

550050011001 is a `hidden beast` number, since 5 + 50 + 0 + 500 + 110 + 0 + 1 = 666.

It is not a de Polignac number, because 550050011001 - 2²⁹ = 549513140089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (550050011081) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 463394530 + ... + 463395716.

It is an arithmetic number, because the mean of its divisors is an integer number (11732369220).

Almost surely, 2^550050011001 is an apocalyptic number.

It is an amenable number.

550050011001 is a deficient number, since it is larger than the sum of its proper divisors (294680572839).

550050011001 is a wasteful number, since it uses less digits than its factorization.

550050011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

Adding to 550050011001 its reverse (100110050055), we get a palindrome (650160061056).

The spelling of 550050011001 in words is "five hundred fifty billion, fifty million, eleven thousand, one".