56075317 has 2 divisors, whose sum is σ = 56075318. Its totient is φ = 56075316.

The previous prime is 56075309. The next prime is 56075323. The reversal of 56075317 is 71357065.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55935441 + 139876 = 7479^2 + 374^2 .

It is a cyclic number.

It is not a de Polignac number, because 56075317 - 2³ = 56075309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56070317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28037658 + 28037659.

It is an arithmetic number, because the mean of its divisors is an integer number (28037659).

Almost surely, 2^56075317 is an apocalyptic number.

It is an amenable number.

56075317 is a deficient number, since it is larger than the sum of its proper divisors (1).

56075317 is an equidigital number, since it uses as much as digits as its factorization.

56075317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 56075317 is about 7488.3454113709. The cubic root of 56075317 is about 382.7576790479.

It can be divided in two parts, 560 and 75317, that multiplied together give a triangular number (42177520 = T₉₁₈₄).

The spelling of 56075317 in words is "fifty-six million, seventy-five thousand, three hundred seventeen".