55090698078208 has 96 divisors (see below), whose sum is σ = 119150522225280. Its totient is φ = 25314462351360.

The previous prime is 55090698078179. The next prime is 55090698078313. The reversal of 55090698078208 is 80287089609055.

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, 1485913 + ... + 10601383.

It is an arithmetic number, because the mean of its divisors is an integer number (1241151273180).

Almost surely, 2^{55090698078208} 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 55090698078208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59575261112640).

55090698078208 is an abundant number, since it is smaller than the sum of its proper divisors (64059824147072).

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

55090698078208 is a wasteful number, since it uses less digits than its factorization.

55090698078208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9115733 (or 9115713 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 67.

The spelling of 55090698078208 in words is "fifty-five trillion, ninety billion, six hundred ninety-eight million, seventy-eight thousand, two hundred eight".