56501137727 has 2 divisors, whose sum is σ = 56501137728. Its totient is φ = 56501137726.

The previous prime is 56501137703. The next prime is 56501137751. The reversal of 56501137727 is 72773110565.

It is a balanced prime because it is at equal distance from previous prime (56501137703) and next prime (56501137751).

It is a cyclic number.

It is not a de Polignac number, because 56501137727 - 2⁸ = 56501137471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56501137127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28250568863 + 28250568864.

It is an arithmetic number, because the mean of its divisors is an integer number (28250568864).

Almost surely, 2^56501137727 is an apocalyptic number.

56501137727 is a deficient number, since it is larger than the sum of its proper divisors (1).

56501137727 is an equidigital number, since it uses as much as digits as its factorization.

56501137727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 308700, while the sum is 44.

The spelling of 56501137727 in words is "fifty-six billion, five hundred one million, one hundred thirty-seven thousand, seven hundred twenty-seven".