50252527765861 has 2 divisors, whose sum is σ = 50252527765862. Its totient is φ = 50252527765860.

The previous prime is 50252527765823. The next prime is 50252527765871. The reversal of 50252527765861 is 16856772525205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39132343692225 + 11120184073636 = 6255585^2 + 3334694^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50252527765861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50252527765861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50252527765871) 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, 25126263882930 + 25126263882931.

It is an arithmetic number, because the mean of its divisors is an integer number (25126263882931).

Almost surely, 2^{50252527765861} is an apocalyptic number.

It is an amenable number.

50252527765861 is a deficient number, since it is larger than the sum of its proper divisors (1).

50252527765861 is an equidigital number, since it uses as much as digits as its factorization.

50252527765861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560000, while the sum is 61.

The spelling of 50252527765861 in words is "fifty trillion, two hundred fifty-two billion, five hundred twenty-seven million, seven hundred sixty-five thousand, eight hundred sixty-one".