52787716061 has 2 divisors, whose sum is σ = 52787716062. Its totient is φ = 52787716060.

The previous prime is 52787716049. The next prime is 52787716199. The reversal of 52787716061 is 16061778725.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34747196836 + 18040519225 = 186406^2 + 134315^2 .

It is a cyclic number.

It is not a de Polignac number, because 52787716061 - 2⁶ = 52787715997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52787716021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26393858030 + 26393858031.

It is an arithmetic number, because the mean of its divisors is an integer number (26393858031).

Almost surely, 2^52787716061 is an apocalyptic number.

It is an amenable number.

52787716061 is a deficient number, since it is larger than the sum of its proper divisors (1).

52787716061 is an equidigital number, since it uses as much as digits as its factorization.

52787716061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987840, while the sum is 50.

The spelling of 52787716061 in words is "fifty-two billion, seven hundred eighty-seven million, seven hundred sixteen thousand, sixty-one".