51328314 has 24 divisors (see below), whose sum is σ = 112780512. Its totient is φ = 16868040.

The previous prime is 51328313. The next prime is 51328331. The reversal of 51328314 is 41382315.

It is a happy number.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (51328313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18804 + ... + 21359.

It is an arithmetic number, because the mean of its divisors is an integer number (4699188).

Almost surely, 2^51328314 is an apocalyptic number.

51328314 is an abundant number, since it is smaller than the sum of its proper divisors (61452198).

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

51328314 is a wasteful number, since it uses less digits than its factorization.

51328314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40242 (or 40239 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 51328314 is about 7164.3781307243. The cubic root of 51328314 is about 371.6370462652.

The spelling of 51328314 in words is "fifty-one million, three hundred twenty-eight thousand, three hundred fourteen".