56201317 has 2 divisors, whose sum is σ = 56201318. Its totient is φ = 56201316.

The previous prime is 56201291. The next prime is 56201323. The reversal of 56201317 is 71310265.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46253601 + 9947716 = 6801^2 + 3154^2 .

It is a cyclic number.

It is not a de Polignac number, because 56201317 - 2¹⁵ = 56168549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56201291 and 56201300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56201377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28100658 + 28100659.

It is an arithmetic number, because the mean of its divisors is an integer number (28100659).

Almost surely, 2^56201317 is an apocalyptic number.

It is an amenable number.

56201317 is a deficient number, since it is larger than the sum of its proper divisors (1).

56201317 is an equidigital number, since it uses as much as digits as its factorization.

56201317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 56201317 is about 7496.7537641302. The cubic root of 56201317 is about 383.0441472788.

The spelling of 56201317 in words is "fifty-six million, two hundred one thousand, three hundred seventeen".