51844668 has 24 divisors (see below), whose sum is σ = 126231168. Its totient is φ = 16530096.

The previous prime is 51844631. The next prime is 51844669. The reversal of 51844668 is 86644815.

51844668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51844669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93646 + ... + 94197.

It is an arithmetic number, because the mean of its divisors is an integer number (5259632).

Almost surely, 2^51844668 is an apocalyptic number.

It is an amenable number.

51844668 is an abundant number, since it is smaller than the sum of its proper divisors (74386500).

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

51844668 is a wasteful number, since it uses less digits than its factorization.

51844668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187873 (or 187871 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 51844668 is about 7200.3241593695. The cubic root of 51844668 is about 372.8790921697.

The spelling of 51844668 in words is "fifty-one million, eight hundred forty-four thousand, six hundred sixty-eight".