55560433406549 has 2 divisors, whose sum is σ = 55560433406550. Its totient is φ = 55560433406548.

The previous prime is 55560433406519. The next prime is 55560433406669. The reversal of 55560433406549 is 94560433406555.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54872167380625 + 688266025924 = 7407575^2 + 829618^2 .

It is a cyclic number.

It is not a de Polignac number, because 55560433406549 - 2⁸ = 55560433406293 is a prime.

It is a super-2 number, since 2×55560433406549² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55560433406519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27780216703274 + 27780216703275.

It is an arithmetic number, because the mean of its divisors is an integer number (27780216703275).

Almost surely, 2^{55560433406549} is an apocalyptic number.

It is an amenable number.

55560433406549 is a deficient number, since it is larger than the sum of its proper divisors (1).

55560433406549 is an equidigital number, since it uses as much as digits as its factorization.

55560433406549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640000, while the sum is 59.

The spelling of 55560433406549 in words is "fifty-five trillion, five hundred sixty billion, four hundred thirty-three million, four hundred six thousand, five hundred forty-nine".