55100505060500 has 96 divisors (see below), whose sum is σ = 122940386150400. Its totient is φ = 21564158649600.

The previous prime is 55100505060487. The next prime is 55100505060511. The reversal of 55100505060500 is 506050500155.

55100505060500 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55100505060500² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71266997 + ... + 72036003.

It is an arithmetic number, because the mean of its divisors is an integer number (1280629022400).

Almost surely, 2^{55100505060500} is an apocalyptic number.

55100505060500 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 55100505060500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61470193075200).

55100505060500 is an abundant number, since it is smaller than the sum of its proper divisors (67839881089900).

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

55100505060500 is a wasteful number, since it uses less digits than its factorization.

55100505060500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772122 (or 772110 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 32.

Adding to 55100505060500 its reverse (506050500155), we get a palindrome (55606555560655).

The spelling of 55100505060500 in words is "fifty-five trillion, one hundred billion, five hundred five million, sixty thousand, five hundred".