56275643 has 2 divisors, whose sum is σ = 56275644. Its totient is φ = 56275642.

The previous prime is 56275567. The next prime is 56275651. The reversal of 56275643 is 34657265.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56275643 - 2¹⁸ = 56013499 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 56275597 and 56275606.

It is not a weakly prime, because it can be changed into another prime (56275673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28137821 + 28137822.

It is an arithmetic number, because the mean of its divisors is an integer number (28137822).

Almost surely, 2^56275643 is an apocalyptic number.

56275643 is a deficient number, since it is larger than the sum of its proper divisors (1).

56275643 is an equidigital number, since it uses as much as digits as its factorization.

56275643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 38.

The square root of 56275643 is about 7501.7093385441. The cubic root of 56275643 is about 383.2129309745.

The spelling of 56275643 in words is "fifty-six million, two hundred seventy-five thousand, six hundred forty-three".