51321414 has 8 divisors (see below), whose sum is σ = 102642840. Its totient is φ = 17107136.

The previous prime is 51321401. The next prime is 51321421. The reversal of 51321414 is 41412315.

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

51321414 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4276779 + ... + 4276790.

It is an arithmetic number, because the mean of its divisors is an integer number (12830355).

Almost surely, 2^51321414 is an apocalyptic number.

51321414 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.

51321414 is a wasteful number, since it uses less digits than its factorization.

51321414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8553574.

The product of its digits is 480, while the sum is 21.

The square root of 51321414 is about 7163.8965654175. The cubic root of 51321414 is about 371.6203926204.

Adding to 51321414 its reverse (41412315), we get a palindrome (92733729).

Subtracting from 51321414 its reverse (41412315), we obtain a palindrome (9909099).

The spelling of 51321414 in words is "fifty-one million, three hundred twenty-one thousand, four hundred fourteen".