51278114 has 8 divisors (see below), whose sum is σ = 76948380. Its totient is φ = 25628656.

The previous prime is 51278111. The next prime is 51278153. The reversal of 51278114 is 41187215.

It can be written as a sum of positive squares in 2 ways, for example, as 49632025 + 1646089 = 7045^2 + 1283^2 .

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

It is not an unprimeable number, because it can be changed into a prime (51278111) 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, 4832 + ... + 11220.

Almost surely, 2^51278114 is an apocalyptic number.

51278114 is a deficient number, since it is larger than the sum of its proper divisors (25670266).

51278114 is a wasteful number, since it uses less digits than its factorization.

51278114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10404.

The product of its digits is 2240, while the sum is 29.

The square root of 51278114 is about 7160.8738293591. The cubic root of 51278114 is about 371.5158508755.

The spelling of 51278114 in words is "fifty-one million, two hundred seventy-eight thousand, one hundred fourteen".