55243524169 has 2 divisors, whose sum is σ = 55243524170. Its totient is φ = 55243524168.

The previous prime is 55243524131. The next prime is 55243524181. The reversal of 55243524169 is 96142534255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46068183225 + 9175340944 = 214635^2 + 95788^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55243524169 is a prime.

It is a super-2 number, since 2×55243524169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55243527169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27621762084 + 27621762085.

It is an arithmetic number, because the mean of its divisors is an integer number (27621762085).

Almost surely, 2^55243524169 is an apocalyptic number.

It is an amenable number.

55243524169 is a deficient number, since it is larger than the sum of its proper divisors (1).

55243524169 is an equidigital number, since it uses as much as digits as its factorization.

55243524169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296000, while the sum is 46.

The spelling of 55243524169 in words is "fifty-five billion, two hundred forty-three million, five hundred twenty-four thousand, one hundred sixty-nine".