54459083520 has 216 divisors, whose sum is σ = 196616006496. Its totient is φ = 13890945024.

The previous prime is 54459083519. The next prime is 54459083531. The reversal of 54459083520 is 2538095445.

54459083520 is a `hidden beast` number, since 5 + 4 + 4 + 590 + 8 + 3 + 52 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162192 + ... + 367728.

Almost surely, 2^54459083520 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 54459083520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98308003248).

54459083520 is an abundant number, since it is smaller than the sum of its proper divisors (142156922976).

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

54459083520 is a wasteful number, since it uses less digits than its factorization.

54459083520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205587 (or 205570 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 54459083520 in words is "fifty-four billion, four hundred fifty-nine million, eighty-three thousand, five hundred twenty".