185350053529 has 9 divisors (see below), whose sum is σ = 188570668287. Its totient is φ = 182183556864.

The previous prime is 185350053521. The next prime is 185350053557. The reversal of 185350053529 is 925350053581.

The square root of 185350053529 is 430523.

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

It can be written as a sum of positive squares in only one way, i.e., 63023592025 + 122326461504 = 251045^2 + 349752^2 .

It is not a de Polignac number, because 185350053529 - 2³ = 185350053521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (185350053521) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25397209 + ... + 25404505.

Almost surely, 2^185350053529 is an apocalyptic number.

185350053529 is the 430523-rd square number.

185350053529 is the 215262-nd centered octagonal number.

It is an amenable number.

185350053529 is a deficient number, since it is larger than the sum of its proper divisors (3220614758).

185350053529 is an frugal number, since it uses more digits than its factorization.

185350053529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14712 (or 7356 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 185350053529 in words is "one hundred eighty-five billion, three hundred fifty million, fifty-three thousand, five hundred twenty-nine".