55011050917 has 2 divisors, whose sum is σ = 55011050918. Its totient is φ = 55011050916.

The previous prime is 55011050903. The next prime is 55011051013. The reversal of 55011050917 is 71905011055.

It is a happy number.

55011050917 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 can be written as a sum of positive squares in only one way, i.e., 51037135396 + 3973915521 = 225914^2 + 63039^2 .

It is a cyclic number.

It is not a de Polignac number, because 55011050917 - 2⁷ = 55011050789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55011030917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27505525458 + 27505525459.

It is an arithmetic number, because the mean of its divisors is an integer number (27505525459).

Almost surely, 2^55011050917 is an apocalyptic number.

It is an amenable number.

55011050917 is a deficient number, since it is larger than the sum of its proper divisors (1).

55011050917 is an equidigital number, since it uses as much as digits as its factorization.

55011050917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7875, while the sum is 34.

The spelling of 55011050917 in words is "fifty-five billion, eleven million, fifty thousand, nine hundred seventeen".