54586789920 has 768 divisors, whose sum is σ = 213515688960. Its totient is φ = 12939264000.

The previous prime is 54586789919. The next prime is 54586789951. The reversal of 54586789920 is 2998768545.

54586789920 is a `hidden beast` number, since 5 + 458 + 6 + 78 + 99 + 20 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 347686482 + ... + 347686638.

It is an arithmetic number, because the mean of its divisors is an integer number (278015220).

Almost surely, 2^54586789920 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 54586789920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106757844480).

54586789920 is an abundant number, since it is smaller than the sum of its proper divisors (158928899040).

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

54586789920 is a wasteful number, since it uses less digits than its factorization.

54586789920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 63.

The spelling of 54586789920 in words is "fifty-four billion, five hundred eighty-six million, seven hundred eighty-nine thousand, nine hundred twenty".