54124478784 has 168 divisors, whose sum is σ = 162052967232. Its totient is φ = 17238988800.

The previous prime is 54124478783. The next prime is 54124478797. The reversal of 54124478784 is 48787442145.

It is a happy number.

54124478784 is a `hidden beast` number, since 5 + 41 + 2 + 447 + 87 + 84 = 666.

It is a super-2 number, since 2×54124478784² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54124478784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54124478783) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18982959 + ... + 18985809.

Almost surely, 2^54124478784 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 54124478784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81026483616).

54124478784 is an abundant number, since it is smaller than the sum of its proper divisors (107928488448).

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

54124478784 is a wasteful number, since it uses less digits than its factorization.

54124478784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325 (or 4312 counting only the distinct ones).

The product of its digits is 8028160, while the sum is 54.

The spelling of 54124478784 in words is "fifty-four billion, one hundred twenty-four million, four hundred seventy-eight thousand, seven hundred eighty-four".