54441315513 has 32 divisors (see below), whose sum is σ = 87035114880. Its totient is φ = 33434009280.

The previous prime is 54441315503. The next prime is 54441315517. The reversal of 54441315513 is 31551314445.

54441315513 is a `hidden beast` number, since 5 + 4 + 4 + 4 + 131 + 5 + 513 = 666.

It is not a de Polignac number, because 54441315513 - 2⁴ = 54441315497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54441315517) 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 31 ways as a sum of consecutive naturals, for example, 14395 + ... + 330287.

It is an arithmetic number, because the mean of its divisors is an integer number (2719847340).

Almost surely, 2^54441315513 is an apocalyptic number.

It is an amenable number.

54441315513 is a deficient number, since it is larger than the sum of its proper divisors (32593799367).

54441315513 is a wasteful number, since it uses less digits than its factorization.

54441315513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316406 (or 316400 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 54441315513 its reverse (31551314445), we get a palindrome (85992629958).

The spelling of 54441315513 in words is "fifty-four billion, four hundred forty-one million, three hundred fifteen thousand, five hundred thirteen".