55528384317169 has 9 divisors (see below), whose sum is σ = 55574750435841. Its totient is φ = 55482056868240.

The previous prime is 55528384317127. The next prime is 55528384317221. The reversal of 55528384317169 is 96171348382555.

It is a happy number.

The square root of 55528384317169 is 7451737.

It is a perfect power (a square), and thus also a powerful number.

55528384317169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2886278199025 + 52642106118144 = 1698905^2 + 7255488^2 .

It is not a de Polignac number, because 55528384317169 - 2¹³ = 55528384308977 is a prime.

It is a super-2 number, since 2×55528384317169² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55528384312169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12079263379 + ... + 12079267975.

It is an arithmetic number, because the mean of its divisors is an integer number (6174972270649).

Almost surely, 2^{55528384317169} is an apocalyptic number.

55528384317169 is the 7451737-th square number.

55528384317169 is the 3725869-th centered octagonal number.

It is an amenable number.

55528384317169 is a deficient number, since it is larger than the sum of its proper divisors (46366118672).

55528384317169 is an frugal number, since it uses more digits than its factorization.

55528384317169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12436 (or 6218 counting only the distinct ones).

The product of its digits is 217728000, while the sum is 67.

The spelling of 55528384317169 in words is "fifty-five trillion, five hundred twenty-eight billion, three hundred eighty-four million, three hundred seventeen thousand, one hundred sixty-nine".