55517417 has 2 divisors, whose sum is σ = 55517418. Its totient is φ = 55517416.

The previous prime is 55517389. The next prime is 55517431. The reversal of 55517417 is 71471555.

55517417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55517401 + 16 = 7451^2 + 4^2 .

It is a cyclic number.

It is not a de Polignac number, because 55517417 - 2¹² = 55513321 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55510417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27758708 + 27758709.

It is an arithmetic number, because the mean of its divisors is an integer number (27758709).

Almost surely, 2^55517417 is an apocalyptic number.

It is an amenable number.

55517417 is a deficient number, since it is larger than the sum of its proper divisors (1).

55517417 is an equidigital number, since it uses as much as digits as its factorization.

55517417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24500, while the sum is 35.

The square root of 55517417 is about 7451.0010736813. The cubic root of 55517417 is about 381.4840787008.

The spelling of 55517417 in words is "fifty-five million, five hundred seventeen thousand, four hundred seventeen".