51368252 has 12 divisors (see below), whose sum is σ = 96809496. Its totient is φ = 23708400.

The previous prime is 51368243. The next prime is 51368279. The reversal of 51368252 is 25286315.

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, 493874 + ... + 493977.

It is an arithmetic number, because the mean of its divisors is an integer number (8067458).

Almost surely, 2^51368252 is an apocalyptic number.

51368252 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

51368252 is a deficient number, since it is larger than the sum of its proper divisors (45441244).

51368252 is a wasteful number, since it uses less digits than its factorization.

51368252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987868 (or 987866 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 51368252 is about 7167.1648509016. The cubic root of 51368252 is about 371.7334101839.

The spelling of 51368252 in words is "fifty-one million, three hundred sixty-eight thousand, two hundred fifty-two".