56093281 has 2 divisors, whose sum is σ = 56093282. Its totient is φ = 56093280.

The previous prime is 56093267. The next prime is 56093287. The reversal of 56093281 is 18239065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48776256 + 7317025 = 6984^2 + 2705^2 .

It is a cyclic number.

It is not a de Polignac number, because 56093281 - 2⁷ = 56093153 is a prime.

It is a super-2 number, since 2×56093281² = 6292912346689922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56093287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28046640 + 28046641.

It is an arithmetic number, because the mean of its divisors is an integer number (28046641).

Almost surely, 2^56093281 is an apocalyptic number.

It is an amenable number.

56093281 is a deficient number, since it is larger than the sum of its proper divisors (1).

56093281 is an equidigital number, since it uses as much as digits as its factorization.

56093281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 56093281 is about 7489.5447792239. The cubic root of 56093281 is about 382.7985474443.

The spelling of 56093281 in words is "fifty-six million, ninety-three thousand, two hundred eighty-one".