54015912720 has 800 divisors, whose sum is σ = 242027723520. Its totient is φ = 10834145280.

The previous prime is 54015912719. The next prime is 54015912773. The reversal of 54015912720 is 2721951045.

54015912720 is a `hidden beast` number, since 5 + 40 + 1 + 591 + 2 + 7 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 14467974 + ... + 14471706.

Almost surely, 2^54015912720 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 54015912720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121013861760).

54015912720 is an abundant number, since it is smaller than the sum of its proper divisors (188011810800).

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

54015912720 is a wasteful number, since it uses less digits than its factorization.

54015912720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3805 (or 3790 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 54015912720 in words is "fifty-four billion, fifteen million, nine hundred twelve thousand, seven hundred twenty".