51210416 has 20 divisors (see below), whose sum is σ = 99512232. Its totient is φ = 25529856.

The previous prime is 51210413. The next prime is 51210431. The reversal of 51210416 is 61401215.

It is not an unprimeable number, because it can be changed into a prime (51210413) 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, 1115 + ... + 10181.

Almost surely, 2^51210416 is an apocalyptic number.

It is an amenable number.

51210416 is a deficient number, since it is larger than the sum of its proper divisors (48301816).

51210416 is a wasteful number, since it uses less digits than its factorization.

51210416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9428 (or 9422 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 51210416 is about 7156.1453311123. The cubic root of 51210416 is about 371.3522856011.

The spelling of 51210416 in words is "fifty-one million, two hundred ten thousand, four hundred sixteen".