51338712 has 32 divisors (see below), whose sum is σ = 128537280. Its totient is φ = 17087520.

The previous prime is 51338687. The next prime is 51338713. The reversal of 51338712 is 21783315.

It is a self number, because there is not a number n which added to its sum of digits gives 51338712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51338713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22203 + ... + 24405.

It is an arithmetic number, because the mean of its divisors is an integer number (4016790).

Almost surely, 2^51338712 is an apocalyptic number.

It is an amenable number.

51338712 is an abundant number, since it is smaller than the sum of its proper divisors (77198568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51338712 is a wasteful number, since it uses less digits than its factorization.

51338712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183 (or 3179 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 51338712 is about 7165.1037675668. The cubic root of 51338712 is about 371.6621397649.

The spelling of 51338712 in words is "fifty-one million, three hundred thirty-eight thousand, seven hundred twelve".