56788028417 has 2 divisors, whose sum is σ = 56788028418. Its totient is φ = 56788028416.

The previous prime is 56788028393. The next prime is 56788028443. The reversal of 56788028417 is 71482088765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56453284801 + 334743616 = 237599^2 + 18296^2 .

It is a cyclic number.

It is not a de Polignac number, because 56788028417 - 2¹⁴ = 56788012033 is a prime.

It is not a weakly prime, because it can be changed into another prime (56788028447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28394014208 + 28394014209.

It is an arithmetic number, because the mean of its divisors is an integer number (28394014209).

Almost surely, 2^56788028417 is an apocalyptic number.

It is an amenable number.

56788028417 is a deficient number, since it is larger than the sum of its proper divisors (1).

56788028417 is an equidigital number, since it uses as much as digits as its factorization.

56788028417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6021120, while the sum is 56.

The spelling of 56788028417 in words is "fifty-six billion, seven hundred eighty-eight million, twenty-eight thousand, four hundred seventeen".