56565406451 has 2 divisors, whose sum is σ = 56565406452. Its totient is φ = 56565406450.

The previous prime is 56565406439. The next prime is 56565406463. The reversal of 56565406451 is 15460456565.

It is a balanced prime because it is at equal distance from previous prime (56565406439) and next prime (56565406463).

It is a cyclic number.

It is not a de Polignac number, because 56565406451 - 2²⁶ = 56498297587 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 56565406396 and 56565406405.

It is not a weakly prime, because it can be changed into another prime (56565406481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28282703225 + 28282703226.

It is an arithmetic number, because the mean of its divisors is an integer number (28282703226).

Almost surely, 2^56565406451 is an apocalyptic number.

56565406451 is a deficient number, since it is larger than the sum of its proper divisors (1).

56565406451 is an equidigital number, since it uses as much as digits as its factorization.

56565406451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 56565406451 in words is "fifty-six billion, five hundred sixty-five million, four hundred six thousand, four hundred fifty-one".