56444281 has 2 divisors, whose sum is σ = 56444282. Its totient is φ = 56444280.

The previous prime is 56444263. The next prime is 56444287. The reversal of 56444281 is 18244465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42042256 + 14402025 = 6484^2 + 3795^2 .

It is a cyclic number.

It is not a de Polignac number, because 56444281 - 2¹⁹ = 55919993 is a prime.

It is a super-2 number, since 2×56444281² = 6371913715213922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56444287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28222140 + 28222141.

It is an arithmetic number, because the mean of its divisors is an integer number (28222141).

Almost surely, 2^56444281 is an apocalyptic number.

It is an amenable number.

56444281 is a deficient number, since it is larger than the sum of its proper divisors (1).

56444281 is an equidigital number, since it uses as much as digits as its factorization.

56444281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 34.

The square root of 56444281 is about 7512.9409022033. The cubic root of 56444281 is about 383.5953333433.

The spelling of 56444281 in words is "fifty-six million, four hundred forty-four thousand, two hundred eighty-one".