5655222201677 has 2 divisors, whose sum is σ = 5655222201678. Its totient is φ = 5655222201676.

The previous prime is 5655222201599. The next prime is 5655222201691. The reversal of 5655222201677 is 7761022225565.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4713353892676 + 941868309001 = 2171026^2 + 970499^2 .

It is a cyclic number.

It is not a de Polignac number, because 5655222201677 - 2¹⁶ = 5655222136141 is a prime.

It is a super-2 number, since 2×5655222201677² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5655222201077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2827611100838 + 2827611100839.

It is an arithmetic number, because the mean of its divisors is an integer number (2827611100839).

Almost surely, 2^{5655222201677} is an apocalyptic number.

It is an amenable number.

5655222201677 is a deficient number, since it is larger than the sum of its proper divisors (1).

5655222201677 is an equidigital number, since it uses as much as digits as its factorization.

5655222201677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 5655222201677 in words is "five trillion, six hundred fifty-five billion, two hundred twenty-two million, two hundred one thousand, six hundred seventy-seven".