55010495209 has 2 divisors, whose sum is σ = 55010495210. Its totient is φ = 55010495208.

The previous prime is 55010495087. The next prime is 55010495219. The reversal of 55010495209 is 90259401055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35399293609 + 19611201600 = 188147^2 + 140040^2 .

It is a cyclic number.

It is not a de Polignac number, because 55010495209 - 2⁷ = 55010495081 is a prime.

It is not a weakly prime, because it can be changed into another prime (55010495219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27505247604 + 27505247605.

It is an arithmetic number, because the mean of its divisors is an integer number (27505247605).

Almost surely, 2^55010495209 is an apocalyptic number.

It is an amenable number.

55010495209 is a deficient number, since it is larger than the sum of its proper divisors (1).

55010495209 is an equidigital number, since it uses as much as digits as its factorization.

55010495209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 55010495209 in words is "fifty-five billion, ten million, four hundred ninety-five thousand, two hundred nine".