53456496881 has 2 divisors, whose sum is σ = 53456496882. Its totient is φ = 53456496880.

The previous prime is 53456496859. The next prime is 53456496883. The reversal of 53456496881 is 18869465435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40779763600 + 12676733281 = 201940^2 + 112591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53456496881 is a prime.

It is a super-2 number, since 2×53456496881² (a number of 22 digits) contains 22 as substring.

Together with 53456496883, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53456496881.

It is not a weakly prime, because it can be changed into another prime (53456496883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26728248440 + 26728248441.

It is an arithmetic number, because the mean of its divisors is an integer number (26728248441).

Almost surely, 2^53456496881 is an apocalyptic number.

It is an amenable number.

53456496881 is a deficient number, since it is larger than the sum of its proper divisors (1).

53456496881 is an equidigital number, since it uses as much as digits as its factorization.

53456496881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24883200, while the sum is 59.

The spelling of 53456496881 in words is "fifty-three billion, four hundred fifty-six million, four hundred ninety-six thousand, eight hundred eighty-one".