51344673 has 4 divisors (see below), whose sum is σ = 68459568. Its totient is φ = 34229780.

The previous prime is 51344659. The next prime is 51344693. The reversal of 51344673 is 37644315.

51344673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51344673 - 2⁸ = 51344417 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51344603) 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 3 ways as a sum of consecutive naturals, for example, 8557443 + ... + 8557448.

It is an arithmetic number, because the mean of its divisors is an integer number (17114892).

Almost surely, 2^51344673 is an apocalyptic number.

It is an amenable number.

51344673 is a deficient number, since it is larger than the sum of its proper divisors (17114895).

51344673 is a wasteful number, since it uses less digits than its factorization.

51344673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17114894.

The product of its digits is 30240, while the sum is 33.

The square root of 51344673 is about 7165.5197299289. The cubic root of 51344673 is about 371.6765239219.

Adding to 51344673 its reverse (37644315), we get a palindrome (88988988).

The spelling of 51344673 in words is "fifty-one million, three hundred forty-four thousand, six hundred seventy-three".