500550000101 has 8 divisors (see below), whose sum is σ = 531566806680. Its totient is φ = 469707936768.

The previous prime is 500550000089. The next prime is 500550000103. The reversal of 500550000101 is 101000055005.

It can be written as a sum of positive squares in 4 ways, for example, as 188347320100 + 312202680001 = 433990^2 + 558751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 500550000101 - 2⁶ = 500550000037 is a prime.

It is a super-2 number, since 2×500550000101² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 500550000101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500550000103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43679906 + ... + 43691363.

It is an arithmetic number, because the mean of its divisors is an integer number (66445850835).

Almost surely, 2^500550000101 is an apocalyptic number.

It is an amenable number.

500550000101 is a deficient number, since it is larger than the sum of its proper divisors (31016806579).

500550000101 is a wasteful number, since it uses less digits than its factorization.

500550000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87371623.

The product of its (nonzero) digits is 125, while the sum is 17.

Adding to 500550000101 its reverse (101000055005), we get a palindrome (601550055106).

The spelling of 500550000101 in words is "five hundred billion, five hundred fifty million, one hundred one", and thus it is an aban number.