56658312427 has 2 divisors, whose sum is σ = 56658312428. Its totient is φ = 56658312426.

The previous prime is 56658312413. The next prime is 56658312461. The reversal of 56658312427 is 72421385665.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56658312427 is a prime.

It is not a weakly prime, because it can be changed into another prime (56658310427) 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, 28329156213 + 28329156214.

It is an arithmetic number, because the mean of its divisors is an integer number (28329156214).

Almost surely, 2^56658312427 is an apocalyptic number.

56658312427 is a deficient number, since it is larger than the sum of its proper divisors (1).

56658312427 is an equidigital number, since it uses as much as digits as its factorization.

56658312427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 49.

The spelling of 56658312427 in words is "fifty-six billion, six hundred fifty-eight million, three hundred twelve thousand, four hundred twenty-seven".