550005105101 has 4 divisors (see below), whose sum is σ = 563419863804. Its totient is φ = 536590346400.

The previous prime is 550005105079. The next prime is 550005105121. The reversal of 550005105101 is 101501500055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 161383779076 + 388621326025 = 401726^2 + 623395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550005105101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550005105121) 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, 6707379290 + ... + 6707379371.

It is an arithmetic number, because the mean of its divisors is an integer number (140854965951).

Almost surely, 2^550005105101 is an apocalyptic number.

It is an amenable number.

550005105101 is a deficient number, since it is larger than the sum of its proper divisors (13414758703).

550005105101 is a wasteful number, since it uses less digits than its factorization.

550005105101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13414758702.

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

Adding to 550005105101 its reverse (101501500055), we get a palindrome (651506605156).

The spelling of 550005105101 in words is "five hundred fifty billion, five million, one hundred five thousand, one hundred one".