550550010011 has 6 divisors (see below), whose sum is σ = 575527704780. Its totient is φ = 526613052548.

The previous prime is 550550009981. The next prime is 550550010083. The reversal of 550550010011 is 110010055055.

It is a happy number.

It is not a de Polignac number, because 550550010011 - 2¹⁴ = 550549993627 is a prime.

It is a super-2 number, since 2×550550010011² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550550010811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 520368101 + ... + 520369158.

It is an arithmetic number, because the mean of its divisors is an integer number (95921284130).

Almost surely, 2^550550010011 is an apocalyptic number.

550550010011 is a deficient number, since it is larger than the sum of its proper divisors (24977694769).

550550010011 is a wasteful number, since it uses less digits than its factorization.

550550010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040737305 (or 1040737282 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 23.

Adding to 550550010011 its reverse (110010055055), we get a palindrome (660560065066).

The spelling of 550550010011 in words is "five hundred fifty billion, five hundred fifty million, ten thousand, eleven".