54465272749 has 2 divisors, whose sum is σ = 54465272750. Its totient is φ = 54465272748.

The previous prime is 54465272723. The next prime is 54465272759. The reversal of 54465272749 is 94727256445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39236478724 + 15228794025 = 198082^2 + 123405^2 .

It is a cyclic number.

It is not a de Polignac number, because 54465272749 - 2¹⁷ = 54465141677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54465272749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54465272759) 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 as a sum of consecutive naturals, namely, 27232636374 + 27232636375.

It is an arithmetic number, because the mean of its divisors is an integer number (27232636375).

Almost surely, 2^54465272749 is an apocalyptic number.

It is an amenable number.

54465272749 is a deficient number, since it is larger than the sum of its proper divisors (1).

54465272749 is an equidigital number, since it uses as much as digits as its factorization.

54465272749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16934400, while the sum is 55.

The spelling of 54465272749 in words is "fifty-four billion, four hundred sixty-five million, two hundred seventy-two thousand, seven hundred forty-nine".