51078315 has 16 divisors (see below), whose sum is σ = 83935008. Its totient is φ = 26505216.

The previous prime is 51078311. The next prime is 51078361. The reversal of 51078315 is 51387015.

51078315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51078315 - 2² = 51078311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51078311) 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 15 ways as a sum of consecutive naturals, for example, 45462 + ... + 46571.

It is an arithmetic number, because the mean of its divisors is an integer number (5245938).

Almost surely, 2^51078315 is an apocalyptic number.

51078315 is a deficient number, since it is larger than the sum of its proper divisors (32856693).

51078315 is a wasteful number, since it uses less digits than its factorization.

51078315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92078.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 51078315 is about 7146.9094719326. The cubic root of 51078315 is about 371.0327005514.

The spelling of 51078315 in words is "fifty-one million, seventy-eight thousand, three hundred fifteen".