56630113 has 2 divisors, whose sum is σ = 56630114. Its totient is φ = 56630112.

The previous prime is 56630107. The next prime is 56630137. The reversal of 56630113 is 31103665.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56205009 + 425104 = 7497^2 + 652^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56630113 is a prime.

It is not a weakly prime, because it can be changed into another prime (56630173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28315056 + 28315057.

It is an arithmetic number, because the mean of its divisors is an integer number (28315057).

Almost surely, 2^56630113 is an apocalyptic number.

It is an amenable number.

56630113 is a deficient number, since it is larger than the sum of its proper divisors (1).

56630113 is an equidigital number, since it uses as much as digits as its factorization.

56630113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 56630113 is about 7525.2982000715. The cubic root of 56630113 is about 384.0158436207.

Adding to 56630113 its reverse (31103665), we get a palindrome (87733778).

The spelling of 56630113 in words is "fifty-six million, six hundred thirty thousand, one hundred thirteen".