55379713242569 has 2 divisors, whose sum is σ = 55379713242570. Its totient is φ = 55379713242568.

The previous prime is 55379713242551. The next prime is 55379713242643. The reversal of 55379713242569 is 96524231797355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34046058010000 + 21333655232569 = 5834900^2 + 4618837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55379713242569 is a prime.

It is a super-2 number, since 2×55379713242569² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55379713242499 and 55379713242508.

It is not a weakly prime, because it can be changed into another prime (55379703242569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27689856621284 + 27689856621285.

It is an arithmetic number, because the mean of its divisors is an integer number (27689856621285).

Almost surely, 2^{55379713242569} is an apocalyptic number.

It is an amenable number.

55379713242569 is a deficient number, since it is larger than the sum of its proper divisors (1).

55379713242569 is an equidigital number, since it uses as much as digits as its factorization.

55379713242569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652000, while the sum is 68.

The spelling of 55379713242569 in words is "fifty-five trillion, three hundred seventy-nine billion, seven hundred thirteen million, two hundred forty-two thousand, five hundred sixty-nine".