51214180 has 24 divisors (see below), whose sum is σ = 108041472. Its totient is φ = 20392032.

The previous prime is 51214129. The next prime is 51214181. The reversal of 51214180 is 8141215.

It is not an unprimeable number, because it can be changed into a prime (51214181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282 + ... + 10201.

It is an arithmetic number, because the mean of its divisors is an integer number (4501728).

Almost surely, 2^51214180 is an apocalyptic number.

It is an amenable number.

51214180 is an abundant number, since it is smaller than the sum of its proper divisors (56827292).

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

51214180 is a wasteful number, since it uses less digits than its factorization.

51214180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11715 (or 11713 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 51214180 is about 7156.4083170261. The cubic root of 51214180 is about 371.3613835924.

Adding to 51214180 its reverse (8141215), we get a palindrome (59355395).

The spelling of 51214180 in words is "fifty-one million, two hundred fourteen thousand, one hundred eighty".