51508083 has 16 divisors (see below), whose sum is σ = 75142656. Its totient is φ = 31124640.

The previous prime is 51508073. The next prime is 51508117. The reversal of 51508083 is 38080515.

It is a happy number.

It is not a de Polignac number, because 51508083 - 2⁹ = 51507571 is a prime.

It is a super-2 number, since 2×51508083² = 5306165228669778, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51508083.

It is not an unprimeable number, because it can be changed into a prime (51508043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9985 + ... + 14237.

It is an arithmetic number, because the mean of its divisors is an integer number (4696416).

Almost surely, 2^51508083 is an apocalyptic number.

51508083 is a deficient number, since it is larger than the sum of its proper divisors (23634573).

51508083 is a wasteful number, since it uses less digits than its factorization.

51508083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4634.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 51508083 is about 7176.9131944033. The cubic root of 51508083 is about 372.0704066644.

Adding to 51508083 its reverse (38080515), we get a palindrome (89588598).

The spelling of 51508083 in words is "fifty-one million, five hundred eight thousand, eighty-three".