54569251397856 has 384 divisors, whose sum is σ = 161402223628800. Its totient is φ = 16027621908480.

The previous prime is 54569251397833. The next prime is 54569251397861. The reversal of 54569251397856 is 65879315296545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1275348495 + ... + 1275391281.

It is an arithmetic number, because the mean of its divisors is an integer number (420318290700).

Almost surely, 2^{54569251397856} 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 54569251397856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80701111814400).

54569251397856 is an abundant number, since it is smaller than the sum of its proper divisors (106832972230944).

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

54569251397856 is a wasteful number, since it uses less digits than its factorization.

54569251397856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43242 (or 43234 counting only the distinct ones).

The product of its digits is 2449440000, while the sum is 75.

The spelling of 54569251397856 in words is "fifty-four trillion, five hundred sixty-nine billion, two hundred fifty-one million, three hundred ninety-seven thousand, eight hundred fifty-six".