54440353540 has 12 divisors (see below), whose sum is σ = 114324742476. Its totient is φ = 21776141408.

The previous prime is 54440353523. The next prime is 54440353549. The reversal of 54440353540 is 4535304445.

It can be written as a sum of positive squares in 2 ways, for example, as 12890423296 + 41549930244 = 113536^2 + 203838^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54440353540.

It is not an unprimeable number, because it can be changed into a prime (54440353549) 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 3 ways as a sum of consecutive naturals, for example, 1361008819 + ... + 1361008858.

It is an arithmetic number, because the mean of its divisors is an integer number (9527061873).

Almost surely, 2^54440353540 is an apocalyptic number.

It is an amenable number.

54440353540 is an abundant number, since it is smaller than the sum of its proper divisors (59884388936).

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

54440353540 is a wasteful number, since it uses less digits than its factorization.

54440353540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722017686 (or 2722017684 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 37.

Adding to 54440353540 its reverse (4535304445), we get a palindrome (58975657985).

The spelling of 54440353540 in words is "fifty-four billion, four hundred forty million, three hundred fifty-three thousand, five hundred forty".