54451028368 has 80 divisors (see below), whose sum is σ = 120574282752. Its totient is φ = 23579600000.

The previous prime is 54451028347. The next prime is 54451028447. The reversal of 54451028368 is 86382015445.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989253 + ... + 1042843.

Almost surely, 2^54451028368 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 54451028368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60287141376).

54451028368 is an abundant number, since it is smaller than the sum of its proper divisors (66123254384).

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

54451028368 is a wasteful number, since it uses less digits than its factorization.

54451028368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53884 (or 53878 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 54451028368 in words is "fifty-four billion, four hundred fifty-one million, twenty-eight thousand, three hundred sixty-eight".