54401166064 has 80 divisors (see below), whose sum is σ = 127622117376. Its totient is φ = 21930163200.

The previous prime is 54401166059. The next prime is 54401166077. The reversal of 54401166064 is 46066110445.

It is a congruent number.

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, 3554749 + ... + 3570019.

Almost surely, 2^54401166064 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 54401166064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63811058688).

54401166064 is an abundant number, since it is smaller than the sum of its proper divisors (73220951312).

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

54401166064 is a wasteful number, since it uses less digits than its factorization.

54401166064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17174 (or 17168 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 54401166064 in words is "fifty-four billion, four hundred one million, one hundred sixty-six thousand, sixty-four".