51079 has 4 divisors (see below), whose sum is σ = 58384.
Its totient is φ = 43776.
The previous prime is 51071. The next prime is 51109. The reversal of 51079 is 97015.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97015 = 5 ⋅19403.
It is a cyclic number.
It is not a de Polignac number, because 51079 - 23 = 51071 is a prime.
It is a Duffinian number.
It is a zygodrome in base 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51071) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3642 + ... + 3655.
It is an arithmetic number, because the mean of its divisors is an integer number (14596).
251079 is an apocalyptic number.
51079 is a deficient number, since it is larger than the sum of its proper divisors (7305).
51079 is an equidigital number, since it uses as much as digits as its factorization.
51079 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7304.
The product of its (nonzero) digits is 315, while the sum is 22.
The square root of 51079 is about 226.0066370707.
The cubic root of 51079 is about 37.1034359157.
The spelling of 51079 in words is "fifty-one thousand, seventy-nine".