55368876816 has 240 divisors, whose sum is σ = 171031910400. Its totient is φ = 16582164480.

The previous prime is 55368876799. The next prime is 55368876821. The reversal of 55368876816 is 61867886355.

It is a happy number.

55368876816 is a `hidden beast` number, since 5 + 536 + 8 + 87 + 6 + 8 + 16 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90324126 + ... + 90324738.

It is an arithmetic number, because the mean of its divisors is an integer number (712632960).

Almost surely, 2^55368876816 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 55368876816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85515955200).

55368876816 is an abundant number, since it is smaller than the sum of its proper divisors (115663033584).

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

55368876816 is a wasteful number, since it uses less digits than its factorization.

55368876816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214 (or 1205 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 63.

The spelling of 55368876816 in words is "fifty-five billion, three hundred sixty-eight million, eight hundred seventy-six thousand, eight hundred sixteen".