52850165465521 has 2 divisors, whose sum is σ = 52850165465522. Its totient is φ = 52850165465520.

The previous prime is 52850165465479. The next prime is 52850165465563. The reversal of 52850165465521 is 12556456105825.

It is a balanced prime because it is at equal distance from previous prime (52850165465479) and next prime (52850165465563).

It can be written as a sum of positive squares in only one way, i.e., 27267863634496 + 25582301831025 = 5221864^2 + 5057895^2 .

It is a cyclic number.

It is not a de Polignac number, because 52850165465521 - 2³⁷ = 52712726512049 is a prime.

It is not a weakly prime, because it can be changed into another prime (52850165465021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26425082732760 + 26425082732761.

It is an arithmetic number, because the mean of its divisors is an integer number (26425082732761).

Almost surely, 2^{52850165465521} is an apocalyptic number.

It is an amenable number.

52850165465521 is a deficient number, since it is larger than the sum of its proper divisors (1).

52850165465521 is an equidigital number, since it uses as much as digits as its factorization.

52850165465521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400000, while the sum is 55.

The spelling of 52850165465521 in words is "fifty-two trillion, eight hundred fifty billion, one hundred sixty-five million, four hundred sixty-five thousand, five hundred twenty-one".