56709113 has 2 divisors, whose sum is σ = 56709114. Its totient is φ = 56709112.

The previous prime is 56709083. The next prime is 56709139. The reversal of 56709113 is 31190765.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41319184 + 15389929 = 6428^2 + 3923^2 .

It is a cyclic number.

It is not a de Polignac number, because 56709113 - 2¹⁶ = 56643577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56709113.

It is not a weakly prime, because it can be changed into another prime (56709193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28354556 + 28354557.

It is an arithmetic number, because the mean of its divisors is an integer number (28354557).

Almost surely, 2^56709113 is an apocalyptic number.

It is an amenable number.

56709113 is a deficient number, since it is larger than the sum of its proper divisors (1).

56709113 is an equidigital number, since it uses as much as digits as its factorization.

56709113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 56709113 is about 7530.5453321788. The cubic root of 56709113 is about 384.1943302595.

Adding to 56709113 its reverse (31190765), we get a palindrome (87899878).

The spelling of 56709113 in words is "fifty-six million, seven hundred nine thousand, one hundred thirteen".