51105471 has 8 divisors (see below), whose sum is σ = 71103360. Its totient is φ = 32588952.

The previous prime is 51105469. The next prime is 51105487. The reversal of 51105471 is 17450115.

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

It is not a de Polignac number, because 51105471 - 2¹ = 51105469 is a prime.

It is a super-3 number, since 3×51105471³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51100471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370261 + ... + 370398.

It is an arithmetic number, because the mean of its divisors is an integer number (8887920).

Almost surely, 2^51105471 is an apocalyptic number.

51105471 is a deficient number, since it is larger than the sum of its proper divisors (19997889).

51105471 is a wasteful number, since it uses less digits than its factorization.

51105471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740685.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 51105471 is about 7148.8090616550. The cubic root of 51105471 is about 371.0984425983.

Adding to 51105471 its reverse (17450115), we get a palindrome (68555586).

The spelling of 51105471 in words is "fifty-one million, one hundred five thousand, four hundred seventy-one".