55609170066427 has 2 divisors, whose sum is σ = 55609170066428. Its totient is φ = 55609170066426.

The previous prime is 55609170066409. The next prime is 55609170066451. The reversal of 55609170066427 is 72466007190655.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55609170066427 is a prime.

It is not a weakly prime, because it can be changed into another prime (55609170066407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27804585033213 + 27804585033214.

It is an arithmetic number, because the mean of its divisors is an integer number (27804585033214).

Almost surely, 2^{55609170066427} is an apocalyptic number.

55609170066427 is a deficient number, since it is larger than the sum of its proper divisors (1).

55609170066427 is an equidigital number, since it uses as much as digits as its factorization.

55609170066427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19051200, while the sum is 58.

The spelling of 55609170066427 in words is "fifty-five trillion, six hundred nine billion, one hundred seventy million, sixty-six thousand, four hundred twenty-seven".