51171337 has 12 divisors (see below), whose sum is σ = 59688576. Its totient is φ = 43741320.

The previous prime is 51171331. The next prime is 51171353. The reversal of 51171337 is 73317115.

It is not a de Polignac number, because 51171337 - 2¹⁵ = 51138569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51171331) 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, 19908 + ... + 22330.

It is an arithmetic number, because the mean of its divisors is an integer number (4974048).

Almost surely, 2^51171337 is an apocalyptic number.

It is an amenable number.

51171337 is a deficient number, since it is larger than the sum of its proper divisors (8517239).

51171337 is a wasteful number, since it uses less digits than its factorization.

51171337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868 (or 2861 counting only the distinct ones).

The product of its digits is 2205, while the sum is 28.

The square root of 51171337 is about 7153.4143595908. The cubic root of 51171337 is about 371.2578011186.

The spelling of 51171337 in words is "fifty-one million, one hundred seventy-one thousand, three hundred thirty-seven".