51234205335653 has 8 divisors (see below), whose sum is σ = 51261359555448. Its totient is φ = 51207052321984.

The previous prime is 51234205335647. The next prime is 51234205335671. The reversal of 51234205335653 is 35653350243215.

It can be written as a sum of positive squares in 4 ways, for example, as 100808155009 + 51133397180644 = 317503^2 + 7150762^2 .

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 51234205335653 - 2²⁸ = 51233936900197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51234205335598 and 51234205335607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51234205335623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92163851 + ... + 92718087.

It is an arithmetic number, because the mean of its divisors is an integer number (6407669944431).

Almost surely, 2^{51234205335653} is an apocalyptic number.

It is an amenable number.

51234205335653 is a deficient number, since it is larger than the sum of its proper divisors (27154219795).

51234205335653 is a wasteful number, since it uses less digits than its factorization.

51234205335653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603063.

The product of its (nonzero) digits is 4860000, while the sum is 47.

Adding to 51234205335653 its reverse (35653350243215), we get a palindrome (86887555578868).

The spelling of 51234205335653 in words is "fifty-one trillion, two hundred thirty-four billion, two hundred five million, three hundred thirty-five thousand, six hundred fifty-three".