55561010600100 has 72 divisors (see below), whose sum is σ = 160772482402560. Its totient is φ = 14814798673280.

The previous prime is 55561010600099. The next prime is 55561010600119. The reversal of 55561010600100 is 100601016555.

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

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, 6163887 + ... + 12211286.

It is an arithmetic number, because the mean of its divisors is an integer number (2232951144480).

Almost surely, 2^{55561010600100} is an apocalyptic number.

55561010600100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55561010600100 is an abundant number, since it is smaller than the sum of its proper divisors (105211471802460).

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

55561010600100 is a wasteful number, since it uses less digits than its factorization.

55561010600100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18385269 (or 18385262 counting only the distinct ones).

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

Adding to 55561010600100 its reverse (100601016555), we get a palindrome (55661611616655).

The spelling of 55561010600100 in words is "fifty-five trillion, five hundred sixty-one billion, ten million, six hundred thousand, one hundred".