55100050100 has 36 divisors (see below), whose sum is σ = 120011654700. Its totient is φ = 21958076160.

The previous prime is 55100050099. The next prime is 55100050169. The reversal of 55100050100 is 105000155.

It can be written as a sum of positive squares in 6 ways, for example, as 18721354276 + 36378695824 = 136826^2 + 190732^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 997265 + ... + 1051064.

It is an arithmetic number, because the mean of its divisors is an integer number (3333657075).

Almost surely, 2^55100050100 is an apocalyptic number.

55100050100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55100050100 is an abundant number, since it is smaller than the sum of its proper divisors (64911604600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55100050100 is a wasteful number, since it uses less digits than its factorization.

55100050100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048612 (or 2048605 counting only the distinct ones).

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

Adding to 55100050100 its reverse (105000155), we get a palindrome (55205050255).

The spelling of 55100050100 in words is "fifty-five billion, one hundred million, fifty thousand, one hundred".