56937610217 has 2 divisors, whose sum is σ = 56937610218. Its totient is φ = 56937610216.

The previous prime is 56937610211. The next prime is 56937610229. The reversal of 56937610217 is 71201673965.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52888960576 + 4048649641 = 229976^2 + 63629^2 .

It is a cyclic number.

It is not a de Polignac number, because 56937610217 - 2¹⁶ = 56937544681 is a prime.

It is not a weakly prime, because it can be changed into another prime (56937610211) 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, 28468805108 + 28468805109.

It is an arithmetic number, because the mean of its divisors is an integer number (28468805109).

Almost surely, 2^56937610217 is an apocalyptic number.

It is an amenable number.

56937610217 is a deficient number, since it is larger than the sum of its proper divisors (1).

56937610217 is an equidigital number, since it uses as much as digits as its factorization.

56937610217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 56937610217 in words is "fifty-six billion, nine hundred thirty-seven million, six hundred ten thousand, two hundred seventeen".