51417331 has 8 divisors (see below), whose sum is σ = 59568224. Its totient is φ = 43467840.

The previous prime is 51417307. The next prime is 51417337. The reversal of 51417331 is 13371415.

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 51417331 - 2⁹ = 51416819 is a prime.

It is a super-2 number, since 2×51417331² = 5287483854327122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51417296 and 51417305.

It is not an unprimeable number, because it can be changed into a prime (51417337) 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 7 ways as a sum of consecutive naturals, for example, 49800 + ... + 50821.

It is an arithmetic number, because the mean of its divisors is an integer number (7446028).

Almost surely, 2^51417331 is an apocalyptic number.

51417331 is a deficient number, since it is larger than the sum of its proper divisors (8150893).

51417331 is a wasteful number, since it uses less digits than its factorization.

51417331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100701.

The product of its digits is 1260, while the sum is 25.

The square root of 51417331 is about 7170.5879117406. The cubic root of 51417331 is about 371.8517614742.

Adding to 51417331 its reverse (13371415), we get a palindrome (64788746).

The spelling of 51417331 in words is "fifty-one million, four hundred seventeen thousand, three hundred thirty-one".