51353212 has 12 divisors (see below), whose sum is σ = 90576640. Its totient is φ = 25474176.

The previous prime is 51353191. The next prime is 51353249. The reversal of 51353212 is 21235315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50037 + ... + 51052.

Almost surely, 2^51353212 is an apocalyptic number.

It is an amenable number.

51353212 is a deficient number, since it is larger than the sum of its proper divisors (39223428).

51353212 is a wasteful number, since it uses less digits than its factorization.

51353212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101220 (or 101218 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 51353212 is about 7166.1155447006. The cubic root of 51353212 is about 371.6971269674.

Adding to 51353212 its reverse (21235315), we get a palindrome (72588527).

The spelling of 51353212 in words is "fifty-one million, three hundred fifty-three thousand, two hundred twelve".