56319413 has 2 divisors, whose sum is σ = 56319414. Its totient is φ = 56319412.

The previous prime is 56319407. The next prime is 56319449. The reversal of 56319413 is 31491365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32913169 + 23406244 = 5737^2 + 4838^2 .

It is a cyclic number.

It is not a de Polignac number, because 56319413 - 2⁴ = 56319397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56319413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56319493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28159706 + 28159707.

It is an arithmetic number, because the mean of its divisors is an integer number (28159707).

Almost surely, 2^56319413 is an apocalyptic number.

It is an amenable number.

56319413 is a deficient number, since it is larger than the sum of its proper divisors (1).

56319413 is an equidigital number, since it uses as much as digits as its factorization.

56319413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 56319413 is about 7504.6261066092. The cubic root of 56319413 is about 383.3122568542.

The spelling of 56319413 in words is "fifty-six million, three hundred nineteen thousand, four hundred thirteen".