53696490091 has 2 divisors, whose sum is σ = 53696490092. Its totient is φ = 53696490090.

The previous prime is 53696490053. The next prime is 53696490097. The reversal of 53696490091 is 19009469635.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53696490091 - 2⁷ = 53696489963 is a prime.

It is a super-2 number, since 2×53696490091² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53696490097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26848245045 + 26848245046.

It is an arithmetic number, because the mean of its divisors is an integer number (26848245046).

Almost surely, 2^53696490091 is an apocalyptic number.

53696490091 is a deficient number, since it is larger than the sum of its proper divisors (1).

53696490091 is an equidigital number, since it uses as much as digits as its factorization.

53696490091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1574640, while the sum is 52.

The spelling of 53696490091 in words is "fifty-three billion, six hundred ninety-six million, four hundred ninety thousand, ninety-one".