56217020701 has 2 divisors, whose sum is σ = 56217020702. Its totient is φ = 56217020700.

The previous prime is 56217020687. The next prime is 56217020747. The reversal of 56217020701 is 10702071265.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49863336601 + 6353684100 = 223301^2 + 79710^2 .

It is a cyclic number.

It is not a de Polignac number, because 56217020701 - 2¹¹ = 56217018653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56217020771) 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, 28108510350 + 28108510351.

It is an arithmetic number, because the mean of its divisors is an integer number (28108510351).

Almost surely, 2^56217020701 is an apocalyptic number.

It is an amenable number.

56217020701 is a deficient number, since it is larger than the sum of its proper divisors (1).

56217020701 is an equidigital number, since it uses as much as digits as its factorization.

56217020701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 31.

Adding to 56217020701 its reverse (10702071265), we get a palindrome (66919091966).

The spelling of 56217020701 in words is "fifty-six billion, two hundred seventeen million, twenty thousand, seven hundred one".