54540340512 has 48 divisors (see below), whose sum is σ = 163621023552. Its totient is φ = 15582954240.

The previous prime is 54540340493. The next prime is 54540340549. The reversal of 54540340512 is 21504304545.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40579939 + ... + 40581282.

It is an arithmetic number, because the mean of its divisors is an integer number (3408771324).

Almost surely, 2^54540340512 is an apocalyptic number.

It is an amenable number.

54540340512 is an abundant number, since it is smaller than the sum of its proper divisors (109080683040).

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

54540340512 is a wasteful number, since it uses less digits than its factorization.

54540340512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81161241 (or 81161233 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 54540340512 in words is "fifty-four billion, five hundred forty million, three hundred forty thousand, five hundred twelve".