51718426 has 16 divisors (see below), whose sum is σ = 80461440. Its totient is φ = 24902640.

The previous prime is 51718417. The next prime is 51718441. The reversal of 51718426 is 62481715.

It is a junction number, because it is equal to n+sod(n) for n = 51718391 and 51718400.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27331 + ... + 29161.

It is an arithmetic number, because the mean of its divisors is an integer number (5028840).

Almost surely, 2^51718426 is an apocalyptic number.

51718426 is a deficient number, since it is larger than the sum of its proper divisors (28743014).

51718426 is a wasteful number, since it uses less digits than its factorization.

51718426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2349.

The product of its digits is 13440, while the sum is 34.

The square root of 51718426 is about 7191.5524054268. The cubic root of 51718426 is about 372.5761920927.

The spelling of 51718426 in words is "fifty-one million, seven hundred eighteen thousand, four hundred twenty-six".