51478068 has 24 divisors (see below), whose sum is σ = 126437920. Its totient is φ = 16256160.

The previous prime is 51478051. The next prime is 51478081. The reversal of 51478068 is 86087415.

51478068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112663 + ... + 113118.

Almost surely, 2^51478068 is an apocalyptic number.

It is an amenable number.

51478068 is an abundant number, since it is smaller than the sum of its proper divisors (74959852).

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

51478068 is a wasteful number, since it uses less digits than its factorization.

51478068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225807 (or 225805 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 51478068 is about 7174.8218096340. The cubic root of 51478068 is about 371.9981211606.

The spelling of 51478068 in words is "fifty-one million, four hundred seventy-eight thousand, sixty-eight".