51318083 has 8 divisors (see below), whose sum is σ = 53638656. Its totient is φ = 49005000.

The previous prime is 51318077. The next prime is 51318089. The reversal of 51318083 is 38081315.

It is an interprime number because it is at equal distance from previous prime (51318077) and next prime (51318089).

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 51318083 - 2¹² = 51313987 is a prime.

It is a super-3 number, since 3×51318083³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51318089) 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, 15788 + ... + 18758.

It is an arithmetic number, because the mean of its divisors is an integer number (6704832).

Almost surely, 2^51318083 is an apocalyptic number.

51318083 is a deficient number, since it is larger than the sum of its proper divisors (2320573).

51318083 is a wasteful number, since it uses less digits than its factorization.

51318083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 51318083 is about 7163.6640764346. The cubic root of 51318083 is about 371.6123524788.

Adding to 51318083 its reverse (38081315), we get a palindrome (89399398).

The spelling of 51318083 in words is "fifty-one million, three hundred eighteen thousand, eighty-three".