55873353656 has 32 divisors (see below), whose sum is σ = 110288466000. Its totient is φ = 26463419136.

The previous prime is 55873353649. The next prime is 55873353661. The reversal of 55873353656 is 65635337855.

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, 2096060 + ... + 2122548.

Almost surely, 2^55873353656 is an apocalyptic number.

It is an amenable number.

55873353656 is a deficient number, since it is larger than the sum of its proper divisors (54415112344).

55873353656 is a wasteful number, since it uses less digits than its factorization.

55873353656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40391 (or 40387 counting only the distinct ones).

The product of its digits is 34020000, while the sum is 56.

The spelling of 55873353656 in words is "fifty-five billion, eight hundred seventy-three million, three hundred fifty-three thousand, six hundred fifty-six".