51382823 has 8 divisors (see below), whose sum is σ = 54709200. Its totient is φ = 48090240.

The previous prime is 51382813. The next prime is 51382829. The reversal of 51382823 is 32828315.

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

It is a cyclic number.

It is not a de Polignac number, because 51382823 - 2²⁴ = 34605607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51382823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51382829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5273 + ... + 11426.

It is an arithmetic number, because the mean of its divisors is an integer number (6838650).

Almost surely, 2^51382823 is an apocalyptic number.

51382823 is a deficient number, since it is larger than the sum of its proper divisors (3326377).

51382823 is a wasteful number, since it uses less digits than its factorization.

51382823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16897.

The product of its digits is 11520, while the sum is 32.

The square root of 51382823 is about 7168.1812895601. The cubic root of 51382823 is about 371.7685552086.

The spelling of 51382823 in words is "fifty-one million, three hundred eighty-two thousand, eight hundred twenty-three".