56310493 has 2 divisors, whose sum is σ = 56310494. Its totient is φ = 56310492.

The previous prime is 56310487. The next prime is 56310497. The reversal of 56310493 is 39401365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52461049 + 3849444 = 7243^2 + 1962^2 .

It is a cyclic number.

It is not a de Polignac number, because 56310493 - 2⁵ = 56310461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56310497) 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 as a sum of consecutive naturals, namely, 28155246 + 28155247.

It is an arithmetic number, because the mean of its divisors is an integer number (28155247).

Almost surely, 2^56310493 is an apocalyptic number.

It is an amenable number.

56310493 is a deficient number, since it is larger than the sum of its proper divisors (1).

56310493 is an equidigital number, since it uses as much as digits as its factorization.

56310493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 56310493 is about 7504.0317829817. The cubic root of 56310493 is about 383.2920191560.

The spelling of 56310493 in words is "fifty-six million, three hundred ten thousand, four hundred ninety-three".