51317352 has 48 divisors (see below), whose sum is σ = 139345440. Its totient is φ = 17061408.

The previous prime is 51317351. The next prime is 51317359. The reversal of 51317352 is 25371315.

It is not an unprimeable number, because it can be changed into a prime (51317351) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 38733 + ... + 40035.

It is an arithmetic number, because the mean of its divisors is an integer number (2903030).

Almost surely, 2^51317352 is an apocalyptic number.

It is an amenable number.

51317352 is an abundant number, since it is smaller than the sum of its proper divisors (88028088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51317352 is a wasteful number, since it uses less digits than its factorization.

51317352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862 (or 1855 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 51317352 is about 7163.6130548767. The cubic root of 51317352 is about 371.6105879940.

Adding to 51317352 its reverse (25371315), we get a palindrome (76688667).

The spelling of 51317352 in words is "fifty-one million, three hundred seventeen thousand, three hundred fifty-two".