55706017 has 2 divisors, whose sum is σ = 55706018. Its totient is φ = 55706016.

The previous prime is 55705997. The next prime is 55706041. The reversal of 55706017 is 71060755.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28987456 + 26718561 = 5384^2 + 5169^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55706017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55706017.

It is not a weakly prime, because it can be changed into another prime (55706117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27853008 + 27853009.

It is an arithmetic number, because the mean of its divisors is an integer number (27853009).

Almost surely, 2^55706017 is an apocalyptic number.

It is an amenable number.

55706017 is a deficient number, since it is larger than the sum of its proper divisors (1).

55706017 is an equidigital number, since it uses as much as digits as its factorization.

55706017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 55706017 is about 7463.6463608614. The cubic root of 55706017 is about 381.9155743910.

The spelling of 55706017 in words is "fifty-five million, seven hundred six thousand, seventeen".