51911214 has 8 divisors (see below), whose sum is σ = 103822440. Its totient is φ = 17303736.

The previous prime is 51911213. The next prime is 51911219. The reversal of 51911214 is 41211915.

It is a happy number.

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

51911214 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51911213) 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 3 ways as a sum of consecutive naturals, for example, 4325929 + ... + 4325940.

It is an arithmetic number, because the mean of its divisors is an integer number (12977805).

Almost surely, 2^51911214 is an apocalyptic number.

51911214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51911214 is a wasteful number, since it uses less digits than its factorization.

51911214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8651874.

The product of its digits is 360, while the sum is 24.

The square root of 51911214 is about 7204.9437194193. The cubic root of 51911214 is about 373.0385621400.

It can be divided in two parts, 51911 and 214, that added together give a palindrome (52125).

The spelling of 51911214 in words is "fifty-one million, nine hundred eleven thousand, two hundred fourteen".