51404326 has 8 divisors (see below), whose sum is σ = 77617584. Its totient is φ = 25531800.

The previous prime is 51404321. The next prime is 51404351. The reversal of 51404326 is 62340415.

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

It is a self number, because there is not a number n which added to its sum of digits gives 51404326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51404321) 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, 84805 + ... + 85408.

It is an arithmetic number, because the mean of its divisors is an integer number (9702198).

Almost surely, 2^51404326 is an apocalyptic number.

51404326 is a deficient number, since it is larger than the sum of its proper divisors (26213258).

51404326 is a wasteful number, since it uses less digits than its factorization.

51404326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170366.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 51404326 is about 7169.6810249829. The cubic root of 51404326 is about 371.8204079737.

The spelling of 51404326 in words is "fifty-one million, four hundred four thousand, three hundred twenty-six".