56263621067 has 2 divisors, whose sum is σ = 56263621068. Its totient is φ = 56263621066.

The previous prime is 56263621061. The next prime is 56263621069. The reversal of 56263621067 is 76012636265.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56263621067 is a prime.

Together with 56263621069, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56263621061) 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, 28131810533 + 28131810534.

It is an arithmetic number, because the mean of its divisors is an integer number (28131810534).

Almost surely, 2^56263621067 is an apocalyptic number.

56263621067 is a deficient number, since it is larger than the sum of its proper divisors (1).

56263621067 is an equidigital number, since it uses as much as digits as its factorization.

56263621067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 56263621067 in words is "fifty-six billion, two hundred sixty-three million, six hundred twenty-one thousand, sixty-seven".