54247450791456 has 768 divisors, whose sum is σ = 185901186240000. Its totient is φ = 15244248563712.

The previous prime is 54247450791421. The next prime is 54247450791481. The reversal of 54247450791456 is 65419705474245.

54247450791456 is a `hidden beast` number, since 5 + 4 + 2 + 4 + 74 + 507 + 9 + 1 + 4 + 56 = 666.

It is a super-6 number, since 6×54247450791456⁶ (a number of 84 digits) contains 666666 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54247450791393 and 54247450791402.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 860642950 + ... + 860705978.

It is an arithmetic number, because the mean of its divisors is an integer number (242058836250).

Almost surely, 2^{54247450791456} 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 54247450791456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92950593120000).

54247450791456 is an abundant number, since it is smaller than the sum of its proper divisors (131653735448544).

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

54247450791456 is a wasteful number, since it uses less digits than its factorization.

54247450791456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63226 (or 63212 counting only the distinct ones).

The product of its (nonzero) digits is 169344000, while the sum is 63.

The spelling of 54247450791456 in words is "fifty-four trillion, two hundred forty-seven billion, four hundred fifty million, seven hundred ninety-one thousand, four hundred fifty-six".