51016216 has 16 divisors (see below), whose sum is σ = 100690200. Its totient is φ = 24165504.

The previous prime is 51016193. The next prime is 51016219. The reversal of 51016216 is 61261015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51016219) 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, 167665 + ... + 167968.

Almost surely, 2^51016216 is an apocalyptic number.

It is an amenable number.

51016216 is a deficient number, since it is larger than the sum of its proper divisors (49673984).

51016216 is a wasteful number, since it uses less digits than its factorization.

51016216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335658 (or 335654 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 51016216 is about 7142.5636854004. The cubic root of 51016216 is about 370.8822772695.

The spelling of 51016216 in words is "fifty-one million, sixteen thousand, two hundred sixteen".