51171006 has 16 divisors (see below), whose sum is σ = 102412800. Its totient is φ = 17045208.

The previous prime is 51170939. The next prime is 51171011. The reversal of 51171006 is 60017115.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13555 + ... + 16913.

It is an arithmetic number, because the mean of its divisors is an integer number (6400800).

Almost surely, 2^51171006 is an apocalyptic number.

51171006 is an abundant number, since it is smaller than the sum of its proper divisors (51241794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51171006 is a wasteful number, since it uses less digits than its factorization.

51171006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5903.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 51171006 is about 7153.3912237484. The cubic root of 51171006 is about 371.2570006275.

It can be divided in two parts, 511 and 71006, that added together give a palindrome (71517).

The spelling of 51171006 in words is "fifty-one million, one hundred seventy-one thousand, six".