51416648 has 32 divisors (see below), whose sum is σ = 99459360. Its totient is φ = 24904320.

The previous prime is 51416647. The next prime is 51416663. The reversal of 51416648 is 84661415.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (51416647) 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, 46583 + ... + 47673.

It is an arithmetic number, because the mean of its divisors is an integer number (3108105).

Almost surely, 2^51416648 is an apocalyptic number.

It is an amenable number.

51416648 is a deficient number, since it is larger than the sum of its proper divisors (48042712).

51416648 is a wasteful number, since it uses less digits than its factorization.

51416648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277 (or 1273 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

The square root of 51416648 is about 7170.5402864777. The cubic root of 51416648 is about 371.8501149744.

The spelling of 51416648 in words is "fifty-one million, four hundred sixteen thousand, six hundred forty-eight".