56478463 has 2 divisors, whose sum is σ = 56478464. Its totient is φ = 56478462.

The previous prime is 56478451. The next prime is 56478473. The reversal of 56478463 is 36487465.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56478463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56478473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28239231 + 28239232.

It is an arithmetic number, because the mean of its divisors is an integer number (28239232).

Almost surely, 2^56478463 is an apocalyptic number.

56478463 is a deficient number, since it is larger than the sum of its proper divisors (1).

56478463 is an equidigital number, since it uses as much as digits as its factorization.

56478463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 43.

The square root of 56478463 is about 7515.2154327072. The cubic root of 56478463 is about 383.6727513415.

The spelling of 56478463 in words is "fifty-six million, four hundred seventy-eight thousand, four hundred sixty-three".