51017673 has 12 divisors (see below), whose sum is σ = 79129680. Its totient is φ = 29152872.

The previous prime is 51017639. The next prime is 51017677. The reversal of 51017673 is 37671015.

It is not a de Polignac number, because 51017673 - 2¹⁰ = 51016649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51017673.

It is not an unprimeable number, because it can be changed into a prime (51017677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 173383 + ... + 173676.

It is an arithmetic number, because the mean of its divisors is an integer number (6594140).

Almost surely, 2^51017673 is an apocalyptic number.

It is an amenable number.

51017673 is a deficient number, since it is larger than the sum of its proper divisors (28112007).

51017673 is a wasteful number, since it uses less digits than its factorization.

51017673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347076 (or 347069 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 51017673 is about 7142.6656788625. The cubic root of 51017673 is about 370.8858079791.

Adding to 51017673 its reverse (37671015), we get a palindrome (88688688).

The spelling of 51017673 in words is "fifty-one million, seventeen thousand, six hundred seventy-three".