51648606 has 24 divisors (see below), whose sum is σ = 114018840. Its totient is φ = 16891056.

The previous prime is 51648587. The next prime is 51648607. The reversal of 51648606 is 60684615.

51648606 is a `hidden beast` number, since 5 + 1 + 6 + 48 + 606 = 666.

It is a super-3 number, since 3×51648606³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51648607) 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 11 ways as a sum of consecutive naturals, for example, 26116 + ... + 28023.

It is an arithmetic number, because the mean of its divisors is an integer number (4750785).

Almost surely, 2^51648606 is an apocalyptic number.

51648606 is an abundant number, since it is smaller than the sum of its proper divisors (62370234).

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

51648606 is a wasteful number, since it uses less digits than its factorization.

51648606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54200 (or 54197 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 51648606 is about 7186.6964594311. The cubic root of 51648606 is about 372.4084570028.

The spelling of 51648606 in words is "fifty-one million, six hundred forty-eight thousand, six hundred six".