51336173 has 12 divisors (see below), whose sum is σ = 60990912. Its totient is φ = 43064280.

The previous prime is 51336163. The next prime is 51336199. The reversal of 51336173 is 37163315.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-51336173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51336163) 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, 8843 + ... + 13448.

It is an arithmetic number, because the mean of its divisors is an integer number (5082576).

Almost surely, 2^51336173 is an apocalyptic number.

It is an amenable number.

51336173 is a deficient number, since it is larger than the sum of its proper divisors (9654739).

51336173 is a wasteful number, since it uses less digits than its factorization.

51336173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22352 (or 22345 counting only the distinct ones).

The product of its digits is 5670, while the sum is 29.

The square root of 51336173 is about 7164.9265872024. The cubic root of 51336173 is about 371.6560127074.

Adding to 51336173 its reverse (37163315), we get a palindrome (88499488).

The spelling of 51336173 in words is "fifty-one million, three hundred thirty-six thousand, one hundred seventy-three".