50526702781 has 2 divisors, whose sum is σ = 50526702782. Its totient is φ = 50526702780.

The previous prime is 50526702769. The next prime is 50526702823. The reversal of 50526702781 is 18720762505.

50526702781 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41479839556 + 9046863225 = 203666^2 + 95115^2 .

It is a cyclic number.

It is not a de Polignac number, because 50526702781 - 2¹¹ = 50526700733 is a prime.

It is a super-2 number, since 2×50526702781² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50526702701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25263351390 + 25263351391.

It is an arithmetic number, because the mean of its divisors is an integer number (25263351391).

Almost surely, 2^50526702781 is an apocalyptic number.

It is an amenable number.

50526702781 is a deficient number, since it is larger than the sum of its proper divisors (1).

50526702781 is an equidigital number, since it uses as much as digits as its factorization.

50526702781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 43.

The spelling of 50526702781 in words is "fifty billion, five hundred twenty-six million, seven hundred two thousand, seven hundred eighty-one".