51082379 has 4 divisors (see below), whose sum is σ = 53303376. Its totient is φ = 48861384.

The previous prime is 51082357. The next prime is 51082403. The reversal of 51082379 is 97328015.

51082379 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 an emirpimes, since its reverse is a distinct semiprime: 97328015 = 5 ⋅19465603.

It is a de Polignac number, because none of the positive numbers 2^k-51082379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51082579) 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, 1110464 + ... + 1110509.

It is an arithmetic number, because the mean of its divisors is an integer number (13325844).

Almost surely, 2^51082379 is an apocalyptic number.

51082379 is a deficient number, since it is larger than the sum of its proper divisors (2220997).

51082379 is a wasteful number, since it uses less digits than its factorization.

51082379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220996.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 51082379 is about 7147.1937849760. The cubic root of 51082379 is about 371.0425405844.

The spelling of 51082379 in words is "fifty-one million, eighty-two thousand, three hundred seventy-nine".