52992771991 has 2 divisors, whose sum is σ = 52992771992. Its totient is φ = 52992771990.

The previous prime is 52992771947. The next prime is 52992772033. The reversal of 52992771991 is 19917729925.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52992771991 - 2¹¹ = 52992769943 is a prime.

It is a super-2 number, since 2×52992771991² (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 (52992771911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26496385995 + 26496385996.

It is an arithmetic number, because the mean of its divisors is an integer number (26496385996).

Almost surely, 2^52992771991 is an apocalyptic number.

52992771991 is a deficient number, since it is larger than the sum of its proper divisors (1).

52992771991 is an equidigital number, since it uses as much as digits as its factorization.

52992771991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6429780, while the sum is 61.

The spelling of 52992771991 in words is "fifty-two billion, nine hundred ninety-two million, seven hundred seventy-one thousand, nine hundred ninety-one".