55706831911 has 2 divisors, whose sum is σ = 55706831912. Its totient is φ = 55706831910.

The previous prime is 55706831893. The next prime is 55706831969. The reversal of 55706831911 is 11913860755.

55706831911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55706831911 - 2⁹ = 55706831399 is a prime.

It is a super-3 number, since 3×55706831911³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55706835911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27853415955 + 27853415956.

It is an arithmetic number, because the mean of its divisors is an integer number (27853415956).

Almost surely, 2^55706831911 is an apocalyptic number.

55706831911 is a deficient number, since it is larger than the sum of its proper divisors (1).

55706831911 is an equidigital number, since it uses as much as digits as its factorization.

55706831911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 55706831911 in words is "fifty-five billion, seven hundred six million, eight hundred thirty-one thousand, nine hundred eleven".