54656449 has 3 divisors (see below), whose sum is σ = 54663843. Its totient is φ = 54649056.

The previous prime is 54656429. The next prime is 54656461. The reversal of 54656449 is 94465645.

The square root of 54656449 is 7393.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 8850625 + 45805824 = 2975^2 + 6768^2 .

It is a de Polignac number, because none of the positive numbers 2^k-54656449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54656419) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3697 + ... + 11089.

It is an arithmetic number, because the mean of its divisors is an integer number (18221281).

Almost surely, 2^54656449 is an apocalyptic number.

54656449 is the 7393-rd square number.

54656449 is the 3697-th centered octagonal number.

It is an amenable number.

54656449 is a deficient number, since it is larger than the sum of its proper divisors (7394).

54656449 is an frugal number, since it uses more digits than its factorization.

54656449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14786 (or 7393 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The cubic root of 54656449 is about 379.5017685509.

Multiplying 54656449 by its product of digits (518400), we get a square (28333903161600 = 5322960²).

The spelling of 54656449 in words is "fifty-four million, six hundred fifty-six thousand, four hundred forty-nine".