51532323233 has 2 divisors, whose sum is σ = 51532323234. Its totient is φ = 51532323232.

The previous prime is 51532323229. The next prime is 51532323247. The reversal of 51532323233 is 33232323515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35905323169 + 15627000064 = 189487^2 + 125008^2 .

It is a cyclic number.

It is not a de Polignac number, because 51532323233 - 2² = 51532323229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51532323233.

It is not a weakly prime, because it can be changed into another prime (51532323263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25766161616 + 25766161617.

It is an arithmetic number, because the mean of its divisors is an integer number (25766161617).

Almost surely, 2^51532323233 is an apocalyptic number.

It is an amenable number.

51532323233 is a deficient number, since it is larger than the sum of its proper divisors (1).

51532323233 is an equidigital number, since it uses as much as digits as its factorization.

51532323233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 32.

Adding to 51532323233 its reverse (33232323515), we get a palindrome (84764646748).

The spelling of 51532323233 in words is "fifty-one billion, five hundred thirty-two million, three hundred twenty-three thousand, two hundred thirty-three".