51711279 has 8 divisors (see below), whose sum is σ = 68982192. Its totient is φ = 34457280.

The previous prime is 51711269. The next prime is 51711287. The reversal of 51711279 is 97211715.

51711279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51711279 - 2⁷ = 51711151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51711269) 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 7 ways as a sum of consecutive naturals, for example, 7789 + ... + 12809.

It is an arithmetic number, because the mean of its divisors is an integer number (8622774).

Almost surely, 2^51711279 is an apocalyptic number.

51711279 is a deficient number, since it is larger than the sum of its proper divisors (17270913).

51711279 is a wasteful number, since it uses less digits than its factorization.

51711279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8457.

The product of its digits is 4410, while the sum is 33.

The square root of 51711279 is about 7191.0554858101. The cubic root of 51711279 is about 372.5590291271.

The spelling of 51711279 in words is "fifty-one million, seven hundred eleven thousand, two hundred seventy-nine".