51171411 has 8 divisors (see below), whose sum is σ = 72242064. Its totient is φ = 32107520.

The previous prime is 51171397. The next prime is 51171413. The reversal of 51171411 is 11417115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51171411 - 2¹⁵ = 51138643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51171413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501630 + ... + 501731.

It is an arithmetic number, because the mean of its divisors is an integer number (9030258).

Almost surely, 2^51171411 is an apocalyptic number.

51171411 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

51171411 is a deficient number, since it is larger than the sum of its proper divisors (21070653).

51171411 is a wasteful number, since it uses less digits than its factorization.

51171411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003381.

The product of its digits is 140, while the sum is 21.

The square root of 51171411 is about 7153.4195319441. The cubic root of 51171411 is about 371.2579800799.

Adding to 51171411 its reverse (11417115), we get a palindrome (62588526).

The spelling of 51171411 in words is "fifty-one million, one hundred seventy-one thousand, four hundred eleven".