54018455615840 has 48 divisors (see below), whose sum is σ = 134335369894320. Its totient is φ = 20470151600640.

The previous prime is 54018455615837. The next prime is 54018455615879. The reversal of 54018455615840 is 4851655481045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8884611371 + ... + 8884617450.

It is an arithmetic number, because the mean of its divisors is an integer number (2798653539465).

Almost surely, 2^{54018455615840} is an apocalyptic number.

It is an amenable number.

54018455615840 is an abundant number, since it is smaller than the sum of its proper divisors (80316914278480).

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

54018455615840 is a wasteful number, since it uses less digits than its factorization.

54018455615840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17769228855 (or 17769228847 counting only the distinct ones).

The product of its (nonzero) digits is 15360000, while the sum is 56.

The spelling of 54018455615840 in words is "fifty-four trillion, eighteen billion, four hundred fifty-five million, six hundred fifteen thousand, eight hundred forty".