51232887 has 12 divisors (see below), whose sum is σ = 74161360. Its totient is φ = 34082208.

The previous prime is 51232871. The next prime is 51232889. The reversal of 51232887 is 78823215.

51232887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51232887 - 2⁴ = 51232871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51232889) 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 11 ways as a sum of consecutive naturals, for example, 1462 + ... + 10227.

Almost surely, 2^51232887 is an apocalyptic number.

51232887 is a deficient number, since it is larger than the sum of its proper divisors (22928473).

51232887 is a wasteful number, since it uses less digits than its factorization.

51232887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12182 (or 12179 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 51232887 is about 7157.7152080814. The cubic root of 51232887 is about 371.4065938039.

The spelling of 51232887 in words is "fifty-one million, two hundred thirty-two thousand, eight hundred eighty-seven".