54144203520 has 144 divisors (see below), whose sum is σ = 188643474432. Its totient is φ = 13125857280.

The previous prime is 54144203513. The next prime is 54144203521. The reversal of 54144203520 is 2530244145.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (54144203521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598672 + ... + 683151.

It is an arithmetic number, because the mean of its divisors is an integer number (1310024128).

Almost surely, 2^54144203520 is an apocalyptic number.

It is an amenable number.

54144203520 is an abundant number, since it is smaller than the sum of its proper divisors (134499270912).

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

54144203520 is a wasteful number, since it uses less digits than its factorization.

54144203520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281858 (or 1281844 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 54144203520 its reverse (2530244145), we get a palindrome (56674447665).

The spelling of 54144203520 in words is "fifty-four billion, one hundred forty-four million, two hundred three thousand, five hundred twenty".