55555300055069 has 2 divisors, whose sum is σ = 55555300055070. Its totient is φ = 55555300055068.

The previous prime is 55555300055009. The next prime is 55555300055147. The reversal of 55555300055069 is 96055000355555.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43808023650169 + 11747276404900 = 6618763^2 + 3427430^2 .

It is a cyclic number.

It is not a de Polignac number, because 55555300055069 - 2²⁸ = 55555031619613 is a prime.

It is a super-2 number, since 2×55555300055069² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55555300055069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55555300055009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27777650027534 + 27777650027535.

It is an arithmetic number, because the mean of its divisors is an integer number (27777650027535).

Almost surely, 2^{55555300055069} is an apocalyptic number.

It is an amenable number.

55555300055069 is a deficient number, since it is larger than the sum of its proper divisors (1).

55555300055069 is an equidigital number, since it uses as much as digits as its factorization.

55555300055069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12656250, while the sum is 53.

The spelling of 55555300055069 in words is "fifty-five trillion, five hundred fifty-five billion, three hundred million, fifty-five thousand, sixty-nine".