56151317 has 2 divisors, whose sum is σ = 56151318. Its totient is φ = 56151316.

The previous prime is 56151287. The next prime is 56151331. The reversal of 56151317 is 71315165.

56151317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54037201 + 2114116 = 7351^2 + 1454^2 .

It is a cyclic number.

It is not a de Polignac number, because 56151317 - 2¹⁸ = 55889173 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56151317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56151397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28075658 + 28075659.

It is an arithmetic number, because the mean of its divisors is an integer number (28075659).

Almost surely, 2^56151317 is an apocalyptic number.

It is an amenable number.

56151317 is a deficient number, since it is larger than the sum of its proper divisors (1).

56151317 is an equidigital number, since it uses as much as digits as its factorization.

56151317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3150, while the sum is 29.

The square root of 56151317 is about 7493.4182453671. The cubic root of 56151317 is about 382.9305207018.

The spelling of 56151317 in words is "fifty-six million, one hundred fifty-one thousand, three hundred seventeen".