56275477 has 2 divisors, whose sum is σ = 56275478. Its totient is φ = 56275476.

The previous prime is 56275459. The next prime is 56275487. The reversal of 56275477 is 77457265.

56275477 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., 47900241 + 8375236 = 6921^2 + 2894^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56275477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56275487) 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, 28137738 + 28137739.

It is an arithmetic number, because the mean of its divisors is an integer number (28137739).

Almost surely, 2^56275477 is an apocalyptic number.

It is an amenable number.

56275477 is a deficient number, since it is larger than the sum of its proper divisors (1).

56275477 is an equidigital number, since it uses as much as digits as its factorization.

56275477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 411600, while the sum is 43.

The square root of 56275477 is about 7501.6982743909. The cubic root of 56275477 is about 383.2125541779.

The spelling of 56275477 in words is "fifty-six million, two hundred seventy-five thousand, four hundred seventy-seven".