51332236 has 6 divisors (see below), whose sum is σ = 89831420. Its totient is φ = 25666116.

The previous prime is 51332227. The next prime is 51332269. The reversal of 51332236 is 63223315.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51332236.

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 as a sum of consecutive naturals, namely, 6416526 + ... + 6416533.

Almost surely, 2^51332236 is an apocalyptic number.

It is an amenable number.

51332236 is a deficient number, since it is larger than the sum of its proper divisors (38499184).

51332236 is a wasteful number, since it uses less digits than its factorization.

51332236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12833063 (or 12833061 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 51332236 is about 7164.6518408085. The cubic root of 51332236 is about 371.6465116282.

The spelling of 51332236 in words is "fifty-one million, three hundred thirty-two thousand, two hundred thirty-six".