50316236168521 has 2 divisors, whose sum is σ = 50316236168522. Its totient is φ = 50316236168520.

The previous prime is 50316236168489. The next prime is 50316236168537. The reversal of 50316236168521 is 12586163261305.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27786603690000 + 22529632478521 = 5271300^2 + 4746539^2 .

It is a cyclic number.

It is not a de Polignac number, because 50316236168521 - 2⁵ = 50316236168489 is a prime.

It is a super-2 number, since 2×50316236168521² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50316236168621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25158118084260 + 25158118084261.

It is an arithmetic number, because the mean of its divisors is an integer number (25158118084261).

Almost surely, 2^{50316236168521} is an apocalyptic number.

It is an amenable number.

50316236168521 is a deficient number, since it is larger than the sum of its proper divisors (1).

50316236168521 is an equidigital number, since it uses as much as digits as its factorization.

50316236168521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 50316236168521 in words is "fifty trillion, three hundred sixteen billion, two hundred thirty-six million, one hundred sixty-eight thousand, five hundred twenty-one".