51506482 has 8 divisors (see below), whose sum is σ = 77395356. Its totient is φ = 25708032.

The previous prime is 51506471. The next prime is 51506491. The reversal of 51506482 is 28460515.

51506482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 36614601 + 14891881 = 6051^2 + 3859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 21163 + ... + 23470.

Almost surely, 2^51506482 is an apocalyptic number.

51506482 is a deficient number, since it is larger than the sum of its proper divisors (25888874).

51506482 is a wasteful number, since it uses less digits than its factorization.

51506482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45212.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 51506482 is about 7176.8016553337. The cubic root of 51506482 is about 372.0665516649.

Adding to 51506482 its reverse (28460515), we get a palindrome (79966997).

The spelling of 51506482 in words is "fifty-one million, five hundred six thousand, four hundred eighty-two".