51084329 has 4 divisors (see below), whose sum is σ = 51106176. Its totient is φ = 51062484.

The previous prime is 51084289. The next prime is 51084343. The reversal of 51084329 is 92348015.

51084329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51084329 - 2²⁴ = 34307113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51084295 and 51084304.

It is not an unprimeable number, because it can be changed into a prime (51084379) 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, 6929 + ... + 12254.

It is an arithmetic number, because the mean of its divisors is an integer number (12776544).

Almost surely, 2^51084329 is an apocalyptic number.

It is an amenable number.

51084329 is a deficient number, since it is larger than the sum of its proper divisors (21847).

51084329 is a wasteful number, since it uses less digits than its factorization.

51084329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21846.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 51084329 is about 7147.3302008512. The cubic root of 51084329 is about 371.0472618716.

The spelling of 51084329 in words is "fifty-one million, eighty-four thousand, three hundred twenty-nine".