54042054215640 has 64 divisors (see below), whose sum is σ = 162577767686400. Its totient is φ = 14371071787392.

The previous prime is 54042054215627. The next prime is 54042054215641. The reversal of 54042054215640 is 4651245024045.

54042054215640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 54042054215592 and 54042054215601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54042054215641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627185962 + ... + 627272121.

It is an arithmetic number, because the mean of its divisors is an integer number (2540277620100).

Almost surely, 2^{54042054215640} is an apocalyptic number.

It is an amenable number.

54042054215640 is an abundant number, since it is smaller than the sum of its proper divisors (108535713470760).

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

54042054215640 is a wasteful number, since it uses less digits than its factorization.

54042054215640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254458456 (or 1254458452 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 54042054215640 its reverse (4651245024045), we get a palindrome (58693299239685).

The spelling of 54042054215640 in words is "fifty-four trillion, forty-two billion, fifty-four million, two hundred fifteen thousand, six hundred forty".