51324113 has 8 divisors (see below), whose sum is σ = 53173800. Its totient is φ = 49479808.

The previous prime is 51324107. The next prime is 51324121. The reversal of 51324113 is 31142315.

It can be written as a sum of positive squares in 4 ways, for example, as 32069569 + 19254544 = 5663^2 + 4388^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 51324113 - 2¹⁰ = 51323089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51324103) 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, 36695 + ... + 38067.

It is an arithmetic number, because the mean of its divisors is an integer number (6646725).

Almost surely, 2^51324113 is an apocalyptic number.

It is an amenable number.

51324113 is a deficient number, since it is larger than the sum of its proper divisors (1849687).

51324113 is a wasteful number, since it uses less digits than its factorization.

51324113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691.

The product of its digits is 360, while the sum is 20.

The square root of 51324113 is about 7164.0849380783. The cubic root of 51324113 is about 371.6269070282.

Adding to 51324113 its reverse (31142315), we get a palindrome (82466428).

The spelling of 51324113 in words is "fifty-one million, three hundred twenty-four thousand, one hundred thirteen".