51831148 has 12 divisors (see below), whose sum is σ = 90759592. Its totient is φ = 25899840.

The previous prime is 51831139. The next prime is 51831161. The reversal of 51831148 is 84113815.

51831148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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, 6628 + ... + 12148.

Almost surely, 2^51831148 is an apocalyptic number.

It is an amenable number.

51831148 is a deficient number, since it is larger than the sum of its proper divisors (38928444).

51831148 is a wasteful number, since it uses less digits than its factorization.

51831148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7872 (or 7870 counting only the distinct ones).

The product of its digits is 3840, while the sum is 31.

The square root of 51831148 is about 7199.3852515336. The cubic root of 51831148 is about 372.8466763411.

The spelling of 51831148 in words is "fifty-one million, eight hundred thirty-one thousand, one hundred forty-eight".