52071757091 has 2 divisors, whose sum is σ = 52071757092. Its totient is φ = 52071757090.

The previous prime is 52071757081. The next prime is 52071757141. The reversal of 52071757091 is 19075717025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52071757091 - 2¹⁰ = 52071756067 is a prime.

It is a super-2 number, since 2×52071757091² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (52071757081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26035878545 + 26035878546.

It is an arithmetic number, because the mean of its divisors is an integer number (26035878546).

Almost surely, 2^52071757091 is an apocalyptic number.

52071757091 is a deficient number, since it is larger than the sum of its proper divisors (1).

52071757091 is an equidigital number, since it uses as much as digits as its factorization.

52071757091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 154350, while the sum is 44.

The spelling of 52071757091 in words is "fifty-two billion, seventy-one million, seven hundred fifty-seven thousand, ninety-one".