51000061054933 has 2 divisors, whose sum is σ = 51000061054934. Its totient is φ = 51000061054932.

The previous prime is 51000061054897. The next prime is 51000061054949. The reversal of 51000061054933 is 33945016000015.

It is a happy number.

51000061054933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35706158064369 + 15293902990564 = 5975463^2 + 3910742^2 .

It is a cyclic number.

It is not a de Polignac number, because 51000061054933 - 2²⁵ = 51000027500501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51000061054892 and 51000061054901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51000061054133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500030527466 + 25500030527467.

It is an arithmetic number, because the mean of its divisors is an integer number (25500030527467).

Almost surely, 2^{51000061054933} is an apocalyptic number.

It is an amenable number.

51000061054933 is a deficient number, since it is larger than the sum of its proper divisors (1).

51000061054933 is an equidigital number, since it uses as much as digits as its factorization.

51000061054933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48600, while the sum is 37.

Adding to 51000061054933 its reverse (33945016000015), we get a palindrome (84945077054948).

The spelling of 51000061054933 in words is "fifty-one trillion, sixty-one million, fifty-four thousand, nine hundred thirty-three".