52067444521 has 2 divisors, whose sum is σ = 52067444522. Its totient is φ = 52067444520.

The previous prime is 52067444453. The next prime is 52067444591. The reversal of 52067444521 is 12544476025.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38706627600 + 13360816921 = 196740^2 + 115589^2 .

It is a cyclic number.

It is not a de Polignac number, because 52067444521 - 2¹³ = 52067436329 is a prime.

It is a super-2 number, since 2×52067444521² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52067444591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26033722260 + 26033722261.

It is an arithmetic number, because the mean of its divisors is an integer number (26033722261).

Almost surely, 2^52067444521 is an apocalyptic number.

It is an amenable number.

52067444521 is a deficient number, since it is larger than the sum of its proper divisors (1).

52067444521 is an equidigital number, since it uses as much as digits as its factorization.

52067444521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 52067444521 in words is "fifty-two billion, sixty-seven million, four hundred forty-four thousand, five hundred twenty-one".