51635065 has 16 divisors (see below), whose sum is σ = 65445120. Its totient is φ = 39000960.

The previous prime is 51635063. The next prime is 51635071. The reversal of 51635065 is 56053615.

It is not a de Polignac number, because 51635065 - 2¹ = 51635063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51635063) 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, 34125 + ... + 35605.

It is an arithmetic number, because the mean of its divisors is an integer number (4090320).

Almost surely, 2^51635065 is an apocalyptic number.

It is an amenable number.

51635065 is a deficient number, since it is larger than the sum of its proper divisors (13810055).

51635065 is a wasteful number, since it uses less digits than its factorization.

51635065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 51635065 is about 7185.7543097437. The cubic root of 51635065 is about 372.3759086982.

The spelling of 51635065 in words is "fifty-one million, six hundred thirty-five thousand, sixty-five".