54440245513 has 2 divisors, whose sum is σ = 54440245514. Its totient is φ = 54440245512.

The previous prime is 54440245469. The next prime is 54440245537. The reversal of 54440245513 is 31554204445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51352998544 + 3087246969 = 226612^2 + 55563^2 .

It is a cyclic number.

It is not a de Polignac number, because 54440245513 - 2²⁹ = 53903374601 is a prime.

It is not a weakly prime, because it can be changed into another prime (54440245583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27220122756 + 27220122757.

It is an arithmetic number, because the mean of its divisors is an integer number (27220122757).

Almost surely, 2^54440245513 is an apocalyptic number.

It is an amenable number.

54440245513 is a deficient number, since it is larger than the sum of its proper divisors (1).

54440245513 is an equidigital number, since it uses as much as digits as its factorization.

54440245513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 54440245513 its reverse (31554204445), we get a palindrome (85994449958).

The spelling of 54440245513 in words is "fifty-four billion, four hundred forty million, two hundred forty-five thousand, five hundred thirteen".