54851923544640 has 224 divisors, whose sum is σ = 184571816296320. Its totient is φ = 13753874743296.

The previous prime is 54851923544629. The next prime is 54851923544687. The reversal of 54851923544640 is 4644532915845.

It is a Harshad number since it is a multiple of its sum of digits (60).

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, 15874039 + ... + 19018121.

Almost surely, 2^{54851923544640} 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 54851923544640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92285908148160).

54851923544640 is an abundant number, since it is smaller than the sum of its proper divisors (129719892751680).

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

54851923544640 is a wasteful number, since it uses less digits than its factorization.

54851923544640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3145189 (or 3145179 counting only the distinct ones).

The product of its (nonzero) digits is 82944000, while the sum is 60.

The spelling of 54851923544640 in words is "fifty-four trillion, eight hundred fifty-one billion, nine hundred twenty-three million, five hundred forty-four thousand, six hundred forty".