55670317 has 2 divisors, whose sum is σ = 55670318. Its totient is φ = 55670316.

The previous prime is 55670287. The next prime is 55670339. The reversal of 55670317 is 71307655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55071241 + 599076 = 7421^2 + 774^2 .

It is a cyclic number.

It is not a de Polignac number, because 55670317 - 2¹¹ = 55668269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55670347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27835158 + 27835159.

It is an arithmetic number, because the mean of its divisors is an integer number (27835159).

Almost surely, 2^55670317 is an apocalyptic number.

It is an amenable number.

55670317 is a deficient number, since it is larger than the sum of its proper divisors (1).

55670317 is an equidigital number, since it uses as much as digits as its factorization.

55670317 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 55670317 is about 7461.2543851554. The cubic root of 55670317 is about 381.8339715984.

The spelling of 55670317 in words is "fifty-five million, six hundred seventy thousand, three hundred seventeen".