54111324540 has 96 divisors (see below), whose sum is σ = 186475968000. Its totient is φ = 11416893696.

The previous prime is 54111324517. The next prime is 54111324577. The reversal of 54111324540 is 4542311145.

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

It is a junction number, because it is equal to n+sod(n) for n = 54111324498 and 54111324507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4949790 + ... + 4960709.

It is an arithmetic number, because the mean of its divisors is an integer number (1942458000).

Almost surely, 2^54111324540 is an apocalyptic number.

It is an amenable number.

54111324540 is an abundant number, since it is smaller than the sum of its proper divisors (132364643460).

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

54111324540 is a wasteful number, since it uses less digits than its factorization.

54111324540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9910531 (or 9910529 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 54111324540 its reverse (4542311145), we get a palindrome (58653635685).

The spelling of 54111324540 in words is "fifty-four billion, one hundred eleven million, three hundred twenty-four thousand, five hundred forty".