55227893562816 has 224 divisors, whose sum is σ = 164029392844800. Its totient is φ = 16287145611264.

The previous prime is 55227893562713. The next prime is 55227893562851. The reversal of 55227893562816 is 61826539872255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1724785 + ... + 10650383.

It is an arithmetic number, because the mean of its divisors is an integer number (732274075200).

Almost surely, 2^{55227893562816} 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 55227893562816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82014696422400).

55227893562816 is an abundant number, since it is smaller than the sum of its proper divisors (108801499281984).

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

55227893562816 is a wasteful number, since it uses less digits than its factorization.

55227893562816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8925731 (or 8925721 counting only the distinct ones).

The product of its digits is 435456000, while the sum is 69.

The spelling of 55227893562816 in words is "fifty-five trillion, two hundred twenty-seven billion, eight hundred ninety-three million, five hundred sixty-two thousand, eight hundred sixteen".