55561106004 has 12 divisors (see below), whose sum is σ = 129642580704. Its totient is φ = 18520368664.

The previous prime is 55561105973. The next prime is 55561106009. The reversal of 55561106004 is 40060116555.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55561106009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2315046072 + ... + 2315046095.

It is an arithmetic number, because the mean of its divisors is an integer number (10803548392).

Almost surely, 2^55561106004 is an apocalyptic number.

It is an amenable number.

55561106004 is an abundant number, since it is smaller than the sum of its proper divisors (74081474700).

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

55561106004 is a wasteful number, since it uses less digits than its factorization.

55561106004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630092174 (or 4630092172 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 55561106004 in words is "fifty-five billion, five hundred sixty-one million, one hundred six thousand, four".