54244040513 has 8 divisors (see below), whose sum is σ = 59995488168. Its totient is φ = 48718139904.

The previous prime is 54244040509. The next prime is 54244040527. The reversal of 54244040513 is 31504044245.

It can be written as a sum of positive squares in 4 ways, for example, as 151979584 + 54092060929 = 12328^2 + 232577^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54244040513 - 2² = 54244040509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54244040513.

It is not an unprimeable number, because it can be changed into a prime (54244040563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56386256 + ... + 56387217.

It is an arithmetic number, because the mean of its divisors is an integer number (7499436021).

Almost surely, 2^54244040513 is an apocalyptic number.

It is an amenable number.

54244040513 is a deficient number, since it is larger than the sum of its proper divisors (5751447655).

54244040513 is a wasteful number, since it uses less digits than its factorization.

54244040513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112773523.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 54244040513 its reverse (31504044245), we get a palindrome (85748084758).

The spelling of 54244040513 in words is "fifty-four billion, two hundred forty-four million, forty thousand, five hundred thirteen".