51130169 has 6 divisors (see below), whose sum is σ = 54315054. Its totient is φ = 48122240.

The previous prime is 51130141. The next prime is 51130171. The reversal of 51130169 is 96103115.

51130169 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 3 ways, for example, as 20748025 + 30382144 = 4555^2 + 5512^2 .

It is not a de Polignac number, because 51130169 - 2⁸ = 51129913 is a prime.

It is a super-2 number, since 2×51130169² = 5228588363937122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51130199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88172 + ... + 88749.

It is an arithmetic number, because the mean of its divisors is an integer number (9052509).

Almost surely, 2^51130169 is an apocalyptic number.

It is an amenable number.

51130169 is a deficient number, since it is larger than the sum of its proper divisors (3184885).

51130169 is a wasteful number, since it uses less digits than its factorization.

51130169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176955 (or 176938 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 26.

The square root of 51130169 is about 7150.5362735951. The cubic root of 51130169 is about 371.1582138458.

The spelling of 51130169 in words is "fifty-one million, one hundred thirty thousand, one hundred sixty-nine".