54440520481 has 2 divisors, whose sum is σ = 54440520482. Its totient is φ = 54440520480.

The previous prime is 54440520457. The next prime is 54440520499. The reversal of 54440520481 is 18402504445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49055162256 + 5385358225 = 221484^2 + 73385^2 .

It is a cyclic number.

It is not a de Polignac number, because 54440520481 - 2³¹ = 52293036833 is a prime.

It is a super-3 number, since 3×54440520481³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 54440520481.

It is not a weakly prime, because it can be changed into another prime (54440520581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27220260240 + 27220260241.

It is an arithmetic number, because the mean of its divisors is an integer number (27220260241).

Almost surely, 2^54440520481 is an apocalyptic number.

It is an amenable number.

54440520481 is a deficient number, since it is larger than the sum of its proper divisors (1).

54440520481 is an equidigital number, since it uses as much as digits as its factorization.

54440520481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102400, while the sum is 37.

The spelling of 54440520481 in words is "fifty-four billion, four hundred forty million, five hundred twenty thousand, four hundred eighty-one".