51839374 has 16 divisors (see below), whose sum is σ = 79256448. Its totient is φ = 25423992.

The previous prime is 51839363. The next prime is 51839383. The reversal of 51839374 is 47393815.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 37239 + ... + 38605.

It is an arithmetic number, because the mean of its divisors is an integer number (4953528).

Almost surely, 2^51839374 is an apocalyptic number.

51839374 is a deficient number, since it is larger than the sum of its proper divisors (27417074).

51839374 is a wasteful number, since it uses less digits than its factorization.

51839374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1719.

The product of its digits is 90720, while the sum is 40.

The square root of 51839374 is about 7199.9565276465. The cubic root of 51839374 is about 372.8663998384.

The spelling of 51839374 in words is "fifty-one million, eight hundred thirty-nine thousand, three hundred seventy-four".