51544623053233 has 2 divisors, whose sum is σ = 51544623053234. Its totient is φ = 51544623053232.

The previous prime is 51544623053227. The next prime is 51544623053263. The reversal of 51544623053233 is 33235032644515.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36240315720049 + 15304307333184 = 6019993^2 + 3912072^2 .

It is a cyclic number.

It is not a de Polignac number, because 51544623053233 - 2⁵ = 51544623053201 is a prime.

It is not a weakly prime, because it can be changed into another prime (51544623053263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25772311526616 + 25772311526617.

It is an arithmetic number, because the mean of its divisors is an integer number (25772311526617).

Almost surely, 2^{51544623053233} is an apocalyptic number.

It is an amenable number.

51544623053233 is a deficient number, since it is larger than the sum of its proper divisors (1).

51544623053233 is an equidigital number, since it uses as much as digits as its factorization.

51544623053233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888000, while the sum is 46.

Adding to 51544623053233 its reverse (33235032644515), we get a palindrome (84779655697748).

The spelling of 51544623053233 in words is "fifty-one trillion, five hundred forty-four billion, six hundred twenty-three million, fifty-three thousand, two hundred thirty-three".