51005650229 has 2 divisors, whose sum is σ = 51005650230. Its totient is φ = 51005650228.

The previous prime is 51005650183. The next prime is 51005650277. The reversal of 51005650229 is 92205650015.

51005650229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50388127729 + 617522500 = 224473^2 + 24850^2 .

It is a cyclic number.

It is not a de Polignac number, because 51005650229 - 2⁸ = 51005649973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51005653229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25502825114 + 25502825115.

It is an arithmetic number, because the mean of its divisors is an integer number (25502825115).

Almost surely, 2^51005650229 is an apocalyptic number.

It is an amenable number.

51005650229 is a deficient number, since it is larger than the sum of its proper divisors (1).

51005650229 is an equidigital number, since it uses as much as digits as its factorization.

51005650229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 51005650229 in words is "fifty-one billion, five million, six hundred fifty thousand, two hundred twenty-nine".