54163513620440 has 128 divisors (see below), whose sum is σ = 139759525509120. Its totient is φ = 18506169100800.

The previous prime is 54163513620421. The next prime is 54163513620457. The reversal of 54163513620440 is 4402631536145.

It is a junction number, because it is equal to n+sod(n) for n = 54163513620391 and 54163513620400.

It is a congruent number.

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, 134631185 + ... + 135032895.

It is an arithmetic number, because the mean of its divisors is an integer number (1091871293040).

Almost surely, 2^{54163513620440} 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 54163513620440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69879762754560).

54163513620440 is an abundant number, since it is smaller than the sum of its proper divisors (85596011888680).

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

54163513620440 is a wasteful number, since it uses less digits than its factorization.

54163513620440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403393 (or 403389 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 54163513620440 in words is "fifty-four trillion, one hundred sixty-three billion, five hundred thirteen million, six hundred twenty thousand, four hundred forty".