51079163 has 4 divisors (see below), whose sum is σ = 53767560. Its totient is φ = 48390768.

The previous prime is 51079151. The next prime is 51079181. The reversal of 51079163 is 36197015.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51079163 - 2⁶ = 51079099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51079183) 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, 1344170 + ... + 1344207.

It is an arithmetic number, because the mean of its divisors is an integer number (13441890).

Almost surely, 2^51079163 is an apocalyptic number.

51079163 is a deficient number, since it is larger than the sum of its proper divisors (2688397).

51079163 is a wasteful number, since it uses less digits than its factorization.

51079163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2688396.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 51079163 is about 7146.9687980290. The cubic root of 51079163 is about 371.0347538298.

The spelling of 51079163 in words is "fifty-one million, seventy-nine thousand, one hundred sixty-three".