51659115 has 16 divisors (see below), whose sum is σ = 82959648. Its totient is φ = 27449856.

The previous prime is 51659093. The next prime is 51659143. The reversal of 51659115 is 51195615.

It is not a de Polignac number, because 51659115 - 2⁷ = 51658987 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2062 + ... + 10371.

It is an arithmetic number, because the mean of its divisors is an integer number (5184978).

Almost surely, 2^51659115 is an apocalyptic number.

51659115 is a deficient number, since it is larger than the sum of its proper divisors (31300533).

51659115 is a wasteful number, since it uses less digits than its factorization.

51659115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12718.

The product of its digits is 6750, while the sum is 33.

The square root of 51659115 is about 7187.4275648524. The cubic root of 51659115 is about 372.4337134125.

The spelling of 51659115 in words is "fifty-one million, six hundred fifty-nine thousand, one hundred fifteen".