54451308666769 has 27 divisors (see below), whose sum is σ = 66216471178683. Its totient is φ = 44642334926112.

The previous prime is 54451308666757. The next prime is 54451308666779. The reversal of 54451308666769 is 96766680315445.

The square root of 54451308666769 is 7379113.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 34694279334225 + 19757029332544 = 5890185^2 + 4444888^2 .

It is not a de Polignac number, because 54451308666769 - 2⁷ = 54451308666641 is a prime.

It is a super-2 number, since 2×54451308666769² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 54451308666698 and 54451308666707.

It is not an unprimeable number, because it can be changed into a prime (54451308666779) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1188014277 + ... + 1188060109.

Almost surely, 2^{54451308666769} is an apocalyptic number.

54451308666769 is the 7379113-rd square number.

54451308666769 is the 3689557-th centered octagonal number.

It is an amenable number.

54451308666769 is a deficient number, since it is larger than the sum of its proper divisors (11765162511914).

54451308666769 is an frugal number, since it uses more digits than its factorization.

54451308666769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91726 (or 45863 counting only the distinct ones).

The product of its (nonzero) digits is 783820800, while the sum is 70.

The spelling of 54451308666769 in words is "fifty-four trillion, four hundred fifty-one billion, three hundred eight million, six hundred sixty-six thousand, seven hundred sixty-nine".