51039078 has 8 divisors (see below), whose sum is σ = 102078168. Its totient is φ = 17013024.

The previous prime is 51039077. The next prime is 51039103. The reversal of 51039078 is 87093015.

51039078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

51039078 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51039077) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4253251 + ... + 4253262.

It is an arithmetic number, because the mean of its divisors is an integer number (12759771).

Almost surely, 2^51039078 is an apocalyptic number.

51039078 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.

51039078 is a wasteful number, since it uses less digits than its factorization.

51039078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8506518.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 51039078 is about 7144.1639118934. The cubic root of 51039078 is about 370.9376704041.

The spelling of 51039078 in words is "fifty-one million, thirty-nine thousand, seventy-eight".