55662017 has 2 divisors, whose sum is σ = 55662018. Its totient is φ = 55662016.

The previous prime is 55662007. The next prime is 55662043. The reversal of 55662017 is 71026655.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54405376 + 1256641 = 7376^2 + 1121^2 .

It is a cyclic number.

It is not a de Polignac number, because 55662017 - 2¹⁰ = 55660993 is a prime.

It is not a weakly prime, because it can be changed into another prime (55662007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27831008 + 27831009.

It is an arithmetic number, because the mean of its divisors is an integer number (27831009).

Almost surely, 2^55662017 is an apocalyptic number.

It is an amenable number.

55662017 is a deficient number, since it is larger than the sum of its proper divisors (1).

55662017 is an equidigital number, since it uses as much as digits as its factorization.

55662017 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 55662017 is about 7460.6981576793. The cubic root of 55662017 is about 381.8149945226.

The spelling of 55662017 in words is "fifty-five million, six hundred sixty-two thousand, seventeen".