55679017 has 2 divisors, whose sum is σ = 55679018. Its totient is φ = 55679016.

The previous prime is 55678999. The next prime is 55679033. The reversal of 55679017 is 71097655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40398736 + 15280281 = 6356^2 + 3909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55679017 is a prime.

It is not a weakly prime, because it can be changed into another prime (55679717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27839508 + 27839509.

It is an arithmetic number, because the mean of its divisors is an integer number (27839509).

Almost surely, 2^55679017 is an apocalyptic number.

It is an amenable number.

55679017 is a deficient number, since it is larger than the sum of its proper divisors (1).

55679017 is an equidigital number, since it uses as much as digits as its factorization.

55679017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 66150, while the sum is 40.

The square root of 55679017 is about 7461.8373742665. The cubic root of 55679017 is about 381.8538612075.

The spelling of 55679017 in words is "fifty-five million, six hundred seventy-nine thousand, seventeen".