51366232 has 16 divisors (see below), whose sum is σ = 97016760. Its totient is φ = 25495104.

The previous prime is 51366229. The next prime is 51366239. The reversal of 51366232 is 23266315.

51366232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51366232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51366239) 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, 22338 + ... + 24529.

Almost surely, 2^51366232 is an apocalyptic number.

It is an amenable number.

51366232 is a deficient number, since it is larger than the sum of its proper divisors (45650528).

51366232 is a wasteful number, since it uses less digits than its factorization.

51366232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47010 (or 47006 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 51366232 is about 7167.0239290796. The cubic root of 51366232 is about 371.7285374509.

The spelling of 51366232 in words is "fifty-one million, three hundred sixty-six thousand, two hundred thirty-two".