54216735055680 has 224 divisors, whose sum is σ = 177807797157888. Its totient is φ = 13982217062400.

The previous prime is 54216735055591. The next prime is 54216735055757. The reversal of 54216735055680 is 8655053761245.

It is a super-2 number, since 2×54216735055680² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54216735055680.

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, 44726385 + ... + 45922575.

Almost surely, 2^{54216735055680} 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 54216735055680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88903898578944).

54216735055680 is an abundant number, since it is smaller than the sum of its proper divisors (123591062102208).

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

54216735055680 is a wasteful number, since it uses less digits than its factorization.

54216735055680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197765 (or 1197755 counting only the distinct ones).

The product of its (nonzero) digits is 30240000, while the sum is 57.

The spelling of 54216735055680 in words is "fifty-four trillion, two hundred sixteen billion, seven hundred thirty-five million, fifty-five thousand, six hundred eighty".