51276939 has 8 divisors (see below), whose sum is σ = 78136320. Its totient is φ = 29301096.

The previous prime is 51276899. The next prime is 51276949. The reversal of 51276939 is 93967215.

51276939 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.

It is not a de Polignac number, because 51276939 - 2¹⁷ = 51145867 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 51276939.

It is not an unprimeable number, because it can be changed into a prime (51276949) 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 7 ways as a sum of consecutive naturals, for example, 1220859 + ... + 1220900.

It is an arithmetic number, because the mean of its divisors is an integer number (9767040).

Almost surely, 2^51276939 is an apocalyptic number.

51276939 is a deficient number, since it is larger than the sum of its proper divisors (26859381).

51276939 is a wasteful number, since it uses less digits than its factorization.

51276939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441769.

The product of its digits is 102060, while the sum is 42.

The square root of 51276939 is about 7160.7917858293. The cubic root of 51276939 is about 371.5130131836.

The spelling of 51276939 in words is "fifty-one million, two hundred seventy-six thousand, nine hundred thirty-nine".