55348235281 has 2 divisors, whose sum is σ = 55348235282. Its totient is φ = 55348235280.

The previous prime is 55348235279. The next prime is 55348235317. The reversal of 55348235281 is 18253284355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54121834881 + 1226400400 = 232641^2 + 35020^2 .

It is a cyclic number.

It is not a de Polignac number, because 55348235281 - 2¹ = 55348235279 is a prime.

It is a super-2 number, since 2×55348235281² (a number of 22 digits) contains 22 as substring.

Together with 55348235279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55348235581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27674117640 + 27674117641.

It is an arithmetic number, because the mean of its divisors is an integer number (27674117641).

Almost surely, 2^55348235281 is an apocalyptic number.

It is an amenable number.

55348235281 is a deficient number, since it is larger than the sum of its proper divisors (1).

55348235281 is an equidigital number, since it uses as much as digits as its factorization.

55348235281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152000, while the sum is 46.

The spelling of 55348235281 in words is "fifty-five billion, three hundred forty-eight million, two hundred thirty-five thousand, two hundred eighty-one".