54004043520 has 1152 divisors, whose sum is σ = 238608384000. Its totient is φ = 11287019520.

The previous prime is 54004043479. The next prime is 54004043537. The reversal of 54004043520 is 2534040045.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a super-3 number, since 3×54004043520³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 142490691 + ... + 142491069.

Almost surely, 2^54004043520 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 54004043520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119304192000).

54004043520 is an abundant number, since it is smaller than the sum of its proper divisors (184604340480).

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

54004043520 is a wasteful number, since it uses less digits than its factorization.

54004043520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 54004043520 its reverse (2534040045), we get a palindrome (56538083565).

The spelling of 54004043520 in words is "fifty-four billion, four million, forty-three thousand, five hundred twenty".