52021343377 has 2 divisors, whose sum is σ = 52021343378. Its totient is φ = 52021343376.

The previous prime is 52021343329. The next prime is 52021343399. The reversal of 52021343377 is 77334312025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47243630736 + 4777712641 = 217356^2 + 69121^2 .

It is a cyclic number.

It is not a de Polignac number, because 52021343377 - 2¹¹ = 52021341329 is a prime.

It is not a weakly prime, because it can be changed into another prime (52021343177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26010671688 + 26010671689.

It is an arithmetic number, because the mean of its divisors is an integer number (26010671689).

Almost surely, 2^52021343377 is an apocalyptic number.

It is an amenable number.

52021343377 is a deficient number, since it is larger than the sum of its proper divisors (1).

52021343377 is an equidigital number, since it uses as much as digits as its factorization.

52021343377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 37.

The spelling of 52021343377 in words is "fifty-two billion, twenty-one million, three hundred forty-three thousand, three hundred seventy-seven".