54731815860 has 192 divisors, whose sum is σ = 164079820800. Its totient is φ = 13583646720.

The previous prime is 54731815829. The next prime is 54731815871. The reversal of 54731815860 is 6851813745.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58162990 + ... + 58163930.

It is an arithmetic number, because the mean of its divisors is an integer number (854582400).

Almost surely, 2^54731815860 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 54731815860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82039910400).

54731815860 is an abundant number, since it is smaller than the sum of its proper divisors (109348004940).

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

54731815860 is a wasteful number, since it uses less digits than its factorization.

54731815860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546 (or 1544 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 54731815860 in words is "fifty-four billion, seven hundred thirty-one million, eight hundred fifteen thousand, eight hundred sixty".