55106116500 has 96 divisors (see below), whose sum is σ = 164806177536. Its totient is φ = 14297788800.

The previous prime is 55106116493. The next prime is 55106116501. The reversal of 55106116500 is 561160155.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55106116501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440952 + ... + 551951.

It is an arithmetic number, because the mean of its divisors is an integer number (1716731016).

Almost surely, 2^55106116500 is an apocalyptic number.

55106116500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55106116500 is an abundant number, since it is smaller than the sum of its proper divisors (109700061036).

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

55106116500 is a wasteful number, since it uses less digits than its factorization.

55106116500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992962 (or 992950 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 55106116500 its reverse (561160155), we get a palindrome (55667276655).

The spelling of 55106116500 in words is "fifty-five billion, one hundred six million, one hundred sixteen thousand, five hundred".