55345074553 has 2 divisors, whose sum is σ = 55345074554. Its totient is φ = 55345074552.

The previous prime is 55345074539. The next prime is 55345074581. The reversal of 55345074553 is 35547054355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52149659769 + 3195414784 = 228363^2 + 56528^2 .

It is a cyclic number.

It is not a de Polignac number, because 55345074553 - 2¹⁷ = 55344943481 is a prime.

It is not a weakly prime, because it can be changed into another prime (55345074503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27672537276 + 27672537277.

It is an arithmetic number, because the mean of its divisors is an integer number (27672537277).

Almost surely, 2^55345074553 is an apocalyptic number.

It is an amenable number.

55345074553 is a deficient number, since it is larger than the sum of its proper divisors (1).

55345074553 is an equidigital number, since it uses as much as digits as its factorization.

55345074553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3150000, while the sum is 46.

The spelling of 55345074553 in words is "fifty-five billion, three hundred forty-five million, seventy-four thousand, five hundred fifty-three".