55050011010100 has 72 divisors (see below), whose sum is σ = 120955419295200. Its totient is φ = 21744331946880.

The previous prime is 55050011010091. The next prime is 55050011010119. The reversal of 55050011010100 is 101011005055.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15841774 + ... + 19001626.

It is an arithmetic number, because the mean of its divisors is an integer number (1679936379100).

Almost surely, 2^{55050011010100} is an apocalyptic number.

55050011010100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55050011010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60477709647600).

55050011010100 is an abundant number, since it is smaller than the sum of its proper divisors (65905408285100).

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

55050011010100 is a wasteful number, since it uses less digits than its factorization.

55050011010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162049 (or 3162042 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 19.

Adding to 55050011010100 its reverse (101011005055), we get a palindrome (55151022015155).

The spelling of 55050011010100 in words is "fifty-five trillion, fifty billion, eleven million, ten thousand, one hundred".