51406214 has 8 divisors (see below), whose sum is σ = 77388528. Its totient is φ = 25610040.

The previous prime is 51406213. The next prime is 51406279. The reversal of 51406214 is 41260415.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51406214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51406211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45842 + ... + 46949.

It is an arithmetic number, because the mean of its divisors is an integer number (9673566).

Almost surely, 2^51406214 is an apocalyptic number.

51406214 is a deficient number, since it is larger than the sum of its proper divisors (25982314).

51406214 is a wasteful number, since it uses less digits than its factorization.

51406214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93070.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 51406214 is about 7169.8126893246. The cubic root of 51406214 is about 371.8249600442.

Adding to 51406214 its reverse (41260415), we get a palindrome (92666629).

The spelling of 51406214 in words is "fifty-one million, four hundred six thousand, two hundred fourteen".