51042382 has 16 divisors (see below), whose sum is σ = 80117280. Its totient is φ = 24342912.

The previous prime is 51042373. The next prime is 51042457. The reversal of 51042382 is 28324015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17458 + ... + 20170.

It is an arithmetic number, because the mean of its divisors is an integer number (5007330).

Almost surely, 2^51042382 is an apocalyptic number.

51042382 is a deficient number, since it is larger than the sum of its proper divisors (29074898).

51042382 is a wasteful number, since it uses less digits than its factorization.

51042382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3147.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 51042382 is about 7144.3951458468. The cubic root of 51042382 is about 370.9456744124.

Adding to 51042382 its reverse (28324015), we get a palindrome (79366397).

The spelling of 51042382 in words is "fifty-one million, forty-two thousand, three hundred eighty-two".