55055050505069 has 2 divisors, whose sum is σ = 55055050505070. Its totient is φ = 55055050505068.

The previous prime is 55055050505003. The next prime is 55055050505089. The reversal of 55055050505069 is 96050505055055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31263698046025 + 23791352459044 = 5591395^2 + 4877638^2 .

It is a cyclic number.

It is not a de Polignac number, because 55055050505069 - 2²⁴ = 55055033727853 is a prime.

It is a super-2 number, since 2×55055050505069² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55055050505089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527525252534 + 27527525252535.

It is an arithmetic number, because the mean of its divisors is an integer number (27527525252535).

Almost surely, 2^{55055050505069} is an apocalyptic number.

It is an amenable number.

55055050505069 is a deficient number, since it is larger than the sum of its proper divisors (1).

55055050505069 is an equidigital number, since it uses as much as digits as its factorization.

55055050505069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4218750, while the sum is 50.

The spelling of 55055050505069 in words is "fifty-five trillion, fifty-five billion, fifty million, five hundred five thousand, sixty-nine".