51179 has 4 divisors (see below), whose sum is σ = 52080. Its totient is φ = 50280.

The previous prime is 51169. The next prime is 51193. The reversal of 51179 is 97115.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97115 = 5 ⋅19423.

It is a cyclic number.

It is not a de Polignac number, because 51179 - 2⁸ = 50923 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359 + ... + 480.

It is an arithmetic number, because the mean of its divisors is an integer number (13020).

2⁵¹¹⁷⁹ is an apocalyptic number.

51179 is a deficient number, since it is larger than the sum of its proper divisors (901).

51179 is an equidigital number, since it uses as much as digits as its factorization.

51179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900.

The product of its digits is 315, while the sum is 23.

The square root of 51179 is about 226.2277613380. The cubic root of 51179 is about 37.1276332369.

The spelling of 51179 in words is "fifty-one thousand, one hundred seventy-nine".