51580382 has 16 divisors (see below), whose sum is σ = 88673280. Its totient is φ = 22043448.

The previous prime is 51580381. The next prime is 51580387. The reversal of 51580382 is 28308515.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51580381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119 + ... + 10157.

It is an arithmetic number, because the mean of its divisors is an integer number (5542080).

Almost surely, 2^51580382 is an apocalyptic number.

51580382 is a deficient number, since it is larger than the sum of its proper divisors (37092898).

51580382 is a wasteful number, since it uses less digits than its factorization.

51580382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10415.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 51580382 is about 7181.9483428941. The cubic root of 51580382 is about 372.2444100467.

Adding to 51580382 its reverse (28308515), we get a palindrome (79888897).

The spelling of 51580382 in words is "fifty-one million, five hundred eighty thousand, three hundred eighty-two".