550140434101 has 4 divisors (see below), whose sum is σ = 559159129804. Its totient is φ = 541121738400.

The previous prime is 550140434087. The next prime is 550140434111. The reversal of 550140434101 is 101434041055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101434041055 = 5 ⋅20286808211.

It can be written as a sum of positive squares in 2 ways, for example, as 28496816100 + 521643618001 = 168810^2 + 722249^2 .

It is a cyclic number.

It is not a de Polignac number, because 550140434101 - 2⁹ = 550140433589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550140434101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550140434111) 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 3 ways as a sum of consecutive naturals, for example, 4509347760 + ... + 4509347881.

It is an arithmetic number, because the mean of its divisors is an integer number (139789782451).

Almost surely, 2^550140434101 is an apocalyptic number.

It is an amenable number.

550140434101 is a deficient number, since it is larger than the sum of its proper divisors (9018695703).

550140434101 is an equidigital number, since it uses as much as digits as its factorization.

550140434101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9018695702.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 550140434101 its reverse (101434041055), we get a palindrome (651574475156).

The spelling of 550140434101 in words is "five hundred fifty billion, one hundred forty million, four hundred thirty-four thousand, one hundred one".