54248465569 has 9 divisors (see below), whose sum is σ = 54885820377. Its totient is φ = 53618435904.

The previous prime is 54248465567. The next prime is 54248465603. The reversal of 54248465569 is 96556484245.

The square root of 54248465569 is 232913.

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

It can be written as a sum of positive squares in 4 ways, for example, as 4647830625 + 49600634944 = 68175^2 + 222712^2 .

It is not a de Polignac number, because 54248465569 - 2¹ = 54248465567 is a prime.

It is a super-4 number, since 4×54248465569⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54248465567) 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 in 8 ways as a sum of consecutive naturals, for example, 20727949 + ... + 20730565.

Almost surely, 2^54248465569 is an apocalyptic number.

54248465569 is the 232913-rd square number.

54248465569 is the 116457-th centered octagonal number.

It is an amenable number.

54248465569 is a deficient number, since it is larger than the sum of its proper divisors (637354808).

54248465569 is an frugal number, since it uses more digits than its factorization.

54248465569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5412 (or 2706 counting only the distinct ones).

The product of its digits is 41472000, while the sum is 58.

The spelling of 54248465569 in words is "fifty-four billion, two hundred forty-eight million, four hundred sixty-five thousand, five hundred sixty-nine".