51339386 has 16 divisors (see below), whose sum is σ = 88131264. Its totient is φ = 21972384.

The previous prime is 51339373. The next prime is 51339391. The reversal of 51339386 is 68393315.

51339386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×51339386³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

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, 10286 + ... + 14438.

It is an arithmetic number, because the mean of its divisors is an integer number (5508204).

Almost surely, 2^51339386 is an apocalyptic number.

51339386 is a deficient number, since it is larger than the sum of its proper divisors (36791878).

51339386 is a wasteful number, since it uses less digits than its factorization.

51339386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045.

The product of its digits is 58320, while the sum is 38.

The square root of 51339386 is about 7165.1508009253. The cubic root of 51339386 is about 371.6637662126.

The spelling of 51339386 in words is "fifty-one million, three hundred thirty-nine thousand, three hundred eighty-six".