55151446376177 has 2 divisors, whose sum is σ = 55151446376178. Its totient is φ = 55151446376176.

The previous prime is 55151446376071. The next prime is 55151446376197. The reversal of 55151446376177 is 77167364415155.

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., 48887518625521 + 6263927750656 = 6991961^2 + 2502784^2 .

It is a cyclic number.

It is not a de Polignac number, because 55151446376177 - 2¹⁸ = 55151446114033 is a prime.

It is not a weakly prime, because it can be changed into another prime (55151446376197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27575723188088 + 27575723188089.

It is an arithmetic number, because the mean of its divisors is an integer number (27575723188089).

Almost surely, 2^{55151446376177} is an apocalyptic number.

It is an amenable number.

55151446376177 is a deficient number, since it is larger than the sum of its proper divisors (1).

55151446376177 is an equidigital number, since it uses as much as digits as its factorization.

55151446376177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74088000, while the sum is 62.

The spelling of 55151446376177 in words is "fifty-five trillion, one hundred fifty-one billion, four hundred forty-six million, three hundred seventy-six thousand, one hundred seventy-seven".