56630617 has 2 divisors, whose sum is σ = 56630618. Its totient is φ = 56630616.

The previous prime is 56630603. The next prime is 56630633. The reversal of 56630617 is 71603665.

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., 44769481 + 11861136 = 6691^2 + 3444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56630617 is a prime.

It is not a weakly prime, because it can be changed into another prime (56630647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28315308 + 28315309.

It is an arithmetic number, because the mean of its divisors is an integer number (28315309).

Almost surely, 2^56630617 is an apocalyptic number.

It is an amenable number.

56630617 is a deficient number, since it is larger than the sum of its proper divisors (1).

56630617 is an equidigital number, since it uses as much as digits as its factorization.

56630617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 56630617 is about 7525.3316870421. The cubic root of 56630617 is about 384.0169828463.

The spelling of 56630617 in words is "fifty-six million, six hundred thirty thousand, six hundred seventeen".