55505106101 has 2 divisors, whose sum is σ = 55505106102. Its totient is φ = 55505106100.

The previous prime is 55505106071. The next prime is 55505106119. The reversal of 55505106101 is 10160150555.

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., 37297651876 + 18207454225 = 193126^2 + 134935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55505106101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55505106161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752553050 + 27752553051.

It is an arithmetic number, because the mean of its divisors is an integer number (27752553051).

Almost surely, 2^55505106101 is an apocalyptic number.

It is an amenable number.

55505106101 is a deficient number, since it is larger than the sum of its proper divisors (1).

55505106101 is an equidigital number, since it uses as much as digits as its factorization.

55505106101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3750, while the sum is 29.

Adding to 55505106101 its reverse (10160150555), we get a palindrome (65665256656).

The spelling of 55505106101 in words is "fifty-five billion, five hundred five million, one hundred six thousand, one hundred one".