55554983616 has 336 divisors, whose sum is σ = 167264681472. Its totient is φ = 16251586560.

The previous prime is 55554983597. The next prime is 55554983669. The reversal of 55554983616 is 61638945555.

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 47 ways as a sum of consecutive naturals, for example, 90627726 + ... + 90628338.

It is an arithmetic number, because the mean of its divisors is an integer number (497811552).

Almost surely, 2^55554983616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55554983616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83632340736).

55554983616 is an abundant number, since it is smaller than the sum of its proper divisors (111709697856).

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

55554983616 is a wasteful number, since it uses less digits than its factorization.

55554983616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 759 counting only the distinct ones).

The product of its digits is 19440000, while the sum is 57.

The spelling of 55554983616 in words is "fifty-five billion, five hundred fifty-four million, nine hundred eighty-three thousand, six hundred sixteen".