56654281 has 2 divisors, whose sum is σ = 56654282. Its totient is φ = 56654280.

The previous prime is 56654239. The next prime is 56654287. The reversal of 56654281 is 18245665.

56654281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56490256 + 164025 = 7516^2 + 405^2 .

It is a cyclic number.

It is not a de Polignac number, because 56654281 - 2¹⁷ = 56523209 is a prime.

It is a super-2 number, since 2×56654281² = 6419415111253922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56654281.

It is not a weakly prime, because it can be changed into another prime (56654287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28327140 + 28327141.

It is an arithmetic number, because the mean of its divisors is an integer number (28327141).

Almost surely, 2^56654281 is an apocalyptic number.

It is an amenable number.

56654281 is a deficient number, since it is larger than the sum of its proper divisors (1).

56654281 is an equidigital number, since it uses as much as digits as its factorization.

56654281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57600, while the sum is 37.

The square root of 56654281 is about 7526.9038123255. The cubic root of 56654281 is about 384.0704645898.

The spelling of 56654281 in words is "fifty-six million, six hundred fifty-four thousand, two hundred eighty-one".