56087963 has 2 divisors, whose sum is σ = 56087964. Its totient is φ = 56087962.

The previous prime is 56087909. The next prime is 56087971. The reversal of 56087963 is 36978065.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56087963 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (56086963) 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, 28043981 + 28043982.

It is an arithmetic number, because the mean of its divisors is an integer number (28043982).

Almost surely, 2^56087963 is an apocalyptic number.

56087963 is a deficient number, since it is larger than the sum of its proper divisors (1).

56087963 is an equidigital number, since it uses as much as digits as its factorization.

56087963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 56087963 is about 7489.1897425556. The cubic root of 56087963 is about 382.7864498158.

The spelling of 56087963 in words is "fifty-six million, eighty-seven thousand, nine hundred sixty-three".