2055217097 has 2 divisors, whose sum is σ = 2055217098. Its totient is φ = 2055217096.

The previous prime is 2055217069. The next prime is 2055217123. The reversal of 2055217097 is 7907125502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2042678416 + 12538681 = 45196^2 + 3541^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055217097 - 2⁸ = 2055216841 is a prime.

It is a super-2 number, since 2×2055217097² = 8447834631602214818, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2055217097.

It is not a weakly prime, because it can be changed into another prime (2055211097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027608548 + 1027608549.

It is an arithmetic number, because the mean of its divisors is an integer number (1027608549).

Almost surely, 2^2055217097 is an apocalyptic number.

It is an amenable number.

2055217097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055217097 is an equidigital number, since it uses as much as digits as its factorization.

2055217097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44100, while the sum is 38.

The square root of 2055217097 is about 45334.5022802721. The cubic root of 2055217097 is about 1271.4108150477.

The spelling of 2055217097 in words is "two billion, fifty-five million, two hundred seventeen thousand, ninety-seven".