55110660636 has 24 divisors (see below), whose sum is σ = 129334850064. Its totient is φ = 18264033280.

The previous prime is 55110660623. The next prime is 55110660643. The reversal of 55110660636 is 63606601155.

It is a junction number, because it is equal to n+sod(n) for n = 55110660594 and 55110660603.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 13271205 + ... + 13275356.

It is an arithmetic number, because the mean of its divisors is an integer number (5388952086).

Almost surely, 2^55110660636 is an apocalyptic number.

It is an amenable number.

55110660636 is an abundant number, since it is smaller than the sum of its proper divisors (74224189428).

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

55110660636 is a wasteful number, since it uses less digits than its factorization.

55110660636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26546741 (or 26546739 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 55110660636 in words is "fifty-five billion, one hundred ten million, six hundred sixty thousand, six hundred thirty-six".