54165398703040 has 224 divisors, whose sum is σ = 133232803058880. Its totient is φ = 20961204633600.

The previous prime is 54165398703029. The next prime is 54165398703047. The reversal of 54165398703040 is 4030789356145.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54165398703047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1606645224 + ... + 1606678936.

It is an arithmetic number, because the mean of its divisors is an integer number (594789299370).

Almost surely, 2^{54165398703040} 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 54165398703040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66616401529440).

54165398703040 is an abundant number, since it is smaller than the sum of its proper divisors (79067404355840).

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

54165398703040 is a wasteful number, since it uses less digits than its factorization.

54165398703040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34791 (or 34781 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 55.

The spelling of 54165398703040 in words is "fifty-four trillion, one hundred sixty-five billion, three hundred ninety-eight million, seven hundred three thousand, forty".