52710538781 has 2 divisors, whose sum is σ = 52710538782. Its totient is φ = 52710538780.

The previous prime is 52710538763. The next prime is 52710538799. The reversal of 52710538781 is 18783501725.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (52710538763) and next prime (52710538799).

It can be written as a sum of positive squares in only one way, i.e., 39933627556 + 12776911225 = 199834^2 + 113035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52710538781 is a prime.

It is a super-2 number, since 2×52710538781² (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 (52710538381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26355269390 + 26355269391.

It is an arithmetic number, because the mean of its divisors is an integer number (26355269391).

Almost surely, 2^52710538781 is an apocalyptic number.

It is an amenable number.

52710538781 is a deficient number, since it is larger than the sum of its proper divisors (1).

52710538781 is an equidigital number, since it uses as much as digits as its factorization.

52710538781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470400, while the sum is 47.

The spelling of 52710538781 in words is "fifty-two billion, seven hundred ten million, five hundred thirty-eight thousand, seven hundred eighty-one".