56606346653 has 2 divisors, whose sum is σ = 56606346654. Its totient is φ = 56606346652.

The previous prime is 56606346613. The next prime is 56606346679. The reversal of 56606346653 is 35664360665.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31321212484 + 25285134169 = 176978^2 + 159013^2 .

It is a cyclic number.

It is not a de Polignac number, because 56606346653 - 2¹² = 56606342557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56606346613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28303173326 + 28303173327.

It is an arithmetic number, because the mean of its divisors is an integer number (28303173327).

Almost surely, 2^56606346653 is an apocalyptic number.

It is an amenable number.

56606346653 is a deficient number, since it is larger than the sum of its proper divisors (1).

56606346653 is an equidigital number, since it uses as much as digits as its factorization.

56606346653 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6998400, while the sum is 50.

The spelling of 56606346653 in words is "fifty-six billion, six hundred six million, three hundred forty-six thousand, six hundred fifty-three".