51431852 has 12 divisors (see below), whose sum is σ = 92909376. Its totient is φ = 24886320.

The previous prime is 51431843. The next prime is 51431869. The reversal of 51431852 is 25813415.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 207263 + ... + 207510.

It is an arithmetic number, because the mean of its divisors is an integer number (7742448).

Almost surely, 2^51431852 is an apocalyptic number.

It is an amenable number.

51431852 is a deficient number, since it is larger than the sum of its proper divisors (41477524).

51431852 is a wasteful number, since it uses less digits than its factorization.

51431852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414808 (or 414806 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 51431852 is about 7171.6003792738. The cubic root of 51431852 is about 371.8867636229.

The spelling of 51431852 in words is "fifty-one million, four hundred thirty-one thousand, eight hundred fifty-two".