38555055169 has 4 divisors (see below), whose sum is σ = 39884539860. Its totient is φ = 37225570480.

The previous prime is 38555055137. The next prime is 38555055173. The reversal of 38555055169 is 96155055583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96155055583 = 4013 ⋅23960891.

It can be written as a sum of positive squares in 2 ways, for example, as 26207400769 + 12347654400 = 161887^2 + 111120^2 .

It is a cyclic number.

It is not a de Polignac number, because 38555055169 - 2⁵ = 38555055137 is a prime.

It is a super-2 number, since 2×38555055169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38555055179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664742302 + ... + 664742359.

It is an arithmetic number, because the mean of its divisors is an integer number (9971134965).

Almost surely, 2^38555055169 is an apocalyptic number.

It is an amenable number.

38555055169 is a deficient number, since it is larger than the sum of its proper divisors (1329484691).

38555055169 is a wasteful number, since it uses less digits than its factorization.

38555055169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329484690.

The product of its (nonzero) digits is 4050000, while the sum is 52.

The spelling of 38555055169 in words is "thirty-eight billion, five hundred fifty-five million, fifty-five thousand, one hundred sixty-nine".