51040171 has 16 divisors (see below), whose sum is σ = 66515904. Its totient is φ = 38006784.

The previous prime is 51040169. The next prime is 51040181. The reversal of 51040171 is 17104015.

It is a cyclic number.

It is not a de Polignac number, because 51040171 - 2¹ = 51040169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51040141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14950 + ... + 18043.

It is an arithmetic number, because the mean of its divisors is an integer number (4157244).

Almost surely, 2^51040171 is an apocalyptic number.

51040171 is a deficient number, since it is larger than the sum of its proper divisors (15475733).

51040171 is a wasteful number, since it uses less digits than its factorization.

51040171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33030.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 51040171 is about 7144.2404074891. The cubic root of 51040171 is about 370.9403182574.

Adding to 51040171 its reverse (17104015), we get a palindrome (68144186).

The spelling of 51040171 in words is "fifty-one million, forty thousand, one hundred seventy-one".