51040088285 has 8 divisors (see below), whose sum is σ = 61250046936. Its totient is φ = 40830776640.

The previous prime is 51040088273. The next prime is 51040088383. The reversal of 51040088285 is 58288004015.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13140953956 + 37899134329 = 114634^2 + 194677^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51040088285 - 2¹² = 51040084189 is a prime.

It is a super-2 number, since 2×51040088285² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33155 + ... + 321215.

It is an arithmetic number, because the mean of its divisors is an integer number (7656255867).

Almost surely, 2^51040088285 is an apocalyptic number.

It is an amenable number.

51040088285 is a deficient number, since it is larger than the sum of its proper divisors (10209958651).

51040088285 is a wasteful number, since it uses less digits than its factorization.

51040088285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323503.

The product of its (nonzero) digits is 102400, while the sum is 41.

The spelling of 51040088285 in words is "fifty-one billion, forty million, eighty-eight thousand, two hundred eighty-five".