56221707527 has 2 divisors, whose sum is σ = 56221707528. Its totient is φ = 56221707526.

The previous prime is 56221707497. The next prime is 56221707551. The reversal of 56221707527 is 72570712265.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56221707527 - 2⁶ = 56221707463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56221709527) 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, 28110853763 + 28110853764.

It is an arithmetic number, because the mean of its divisors is an integer number (28110853764).

Almost surely, 2^56221707527 is an apocalyptic number.

56221707527 is a deficient number, since it is larger than the sum of its proper divisors (1).

56221707527 is an equidigital number, since it uses as much as digits as its factorization.

56221707527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 411600, while the sum is 44.

The spelling of 56221707527 in words is "fifty-six billion, two hundred twenty-one million, seven hundred seven thousand, five hundred twenty-seven".