55106105501100 has 72 divisors (see below), whose sum is σ = 160266447794320. Its totient is φ = 14618821754880.

The previous prime is 55106105501081. The next prime is 55106105501101. The reversal of 55106105501100 is 110550160155.

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

It is not an unprimeable number, because it can be changed into a prime (55106105501101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 475815205 + ... + 475931004.

Almost surely, 2^{55106105501100} is an apocalyptic number.

55106105501100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55106105501100 is an abundant number, since it is smaller than the sum of its proper divisors (105160342293220).

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

55106105501100 is a wasteful number, since it uses less digits than its factorization.

55106105501100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951746419 (or 951746412 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 55106105501100 its reverse (110550160155), we get a palindrome (55216655661255).

The spelling of 55106105501100 in words is "fifty-five trillion, one hundred six billion, one hundred five million, five hundred one thousand, one hundred".