51840884 has 12 divisors (see below), whose sum is σ = 91375200. Its totient is φ = 25733688.

The previous prime is 51840883. The next prime is 51840907. The reversal of 51840884 is 48804815.

51840884 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 (51840883) 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 3 ways as a sum of consecutive naturals, for example, 46064 + ... + 47175.

It is an arithmetic number, because the mean of its divisors is an integer number (7614600).

Almost surely, 2^51840884 is an apocalyptic number.

It is an amenable number.

51840884 is a deficient number, since it is larger than the sum of its proper divisors (39534316).

51840884 is a wasteful number, since it uses less digits than its factorization.

51840884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93382 (or 93380 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 38.

The square root of 51840884 is about 7200.0613886272. The cubic root of 51840884 is about 372.8700201419.

The spelling of 51840884 in words is "fifty-one million, eight hundred forty thousand, eight hundred eighty-four".