51447116 has 12 divisors (see below), whose sum is σ = 102894288. Its totient is φ = 22048752.

The previous prime is 51447103. The next prime is 51447119. The reversal of 51447116 is 61174415.

51447116 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (51447119) 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, 918671 + ... + 918726.

It is an arithmetic number, because the mean of its divisors is an integer number (8574524).

Almost surely, 2^51447116 is an apocalyptic number.

It is an amenable number.

51447116 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.

51447116 is a wasteful number, since it uses less digits than its factorization.

51447116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837408 (or 1837406 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 51447116 is about 7172.6644979394. The cubic root of 51447116 is about 371.9235496344.

The spelling of 51447116 in words is "fifty-one million, four hundred forty-seven thousand, one hundred sixteen".