51847506 has 16 divisors (see below), whose sum is σ = 115216800. Its totient is φ = 17282484.

The previous prime is 51847487. The next prime is 51847507. The reversal of 51847506 is 60574815.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51847507) 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 7 ways as a sum of consecutive naturals, for example, 480016 + ... + 480123.

It is an arithmetic number, because the mean of its divisors is an integer number (7201050).

Almost surely, 2^51847506 is an apocalyptic number.

51847506 is an abundant number, since it is smaller than the sum of its proper divisors (63369294).

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

51847506 is a wasteful number, since it uses less digits than its factorization.

51847506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960150 (or 960144 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 51847506 is about 7200.5212311332. The cubic root of 51847506 is about 372.8858959009.

The spelling of 51847506 in words is "fifty-one million, eight hundred forty-seven thousand, five hundred six".