51276839 has 8 divisors (see below), whose sum is σ = 54737280. Its totient is φ = 47892600.

The previous prime is 51276817. The next prime is 51276853. The reversal of 51276839 is 93867215.

51276839 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 a cyclic number.

It is not a de Polignac number, because 51276839 - 2¹² = 51272743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51276796 and 51276805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51276899) 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, 17657 + ... + 20354.

It is an arithmetic number, because the mean of its divisors is an integer number (6842160).

Almost surely, 2^51276839 is an apocalyptic number.

51276839 is a deficient number, since it is larger than the sum of its proper divisors (3460441).

51276839 is a wasteful number, since it uses less digits than its factorization.

51276839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38101.

The product of its digits is 90720, while the sum is 41.

The square root of 51276839 is about 7160.7848033578. The cubic root of 51276839 is about 371.5127716760.

The spelling of 51276839 in words is "fifty-one million, two hundred seventy-six thousand, eight hundred thirty-nine".