51468738 has 8 divisors (see below), whose sum is σ = 102937488. Its totient is φ = 17156244.

The previous prime is 51468731. The next prime is 51468749. The reversal of 51468738 is 83786415.

It is a sphenic number, since it is the product of 3 distinct primes.

51468738 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 51468738.

It is not an unprimeable number, because it can be changed into a prime (51468731) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4289056 + ... + 4289067.

It is an arithmetic number, because the mean of its divisors is an integer number (12867186).

Almost surely, 2^51468738 is an apocalyptic number.

51468738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51468738 is a wasteful number, since it uses less digits than its factorization.

51468738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8578128.

The product of its digits is 161280, while the sum is 42.

The square root of 51468738 is about 7174.1715898074. The cubic root of 51468738 is about 371.9756458793.

The spelling of 51468738 in words is "fifty-one million, four hundred sixty-eight thousand, seven hundred thirty-eight".