55055523351449 has 2 divisors, whose sum is σ = 55055523351450. Its totient is φ = 55055523351448.

The previous prime is 55055523351443. The next prime is 55055523351457. The reversal of 55055523351449 is 94415332555055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28324141693849 + 26731381657600 = 5322043^2 + 5170240^2 .

It is a cyclic number.

It is not a de Polignac number, because 55055523351449 - 2¹² = 55055523347353 is a prime.

It is a super-2 number, since 2×55055523351449² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55055523351394 and 55055523351403.

It is not a weakly prime, because it can be changed into another prime (55055523351443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27527761675724 + 27527761675725.

It is an arithmetic number, because the mean of its divisors is an integer number (27527761675725).

Almost surely, 2^{55055523351449} is an apocalyptic number.

It is an amenable number.

55055523351449 is a deficient number, since it is larger than the sum of its proper divisors (1).

55055523351449 is an equidigital number, since it uses as much as digits as its factorization.

55055523351449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500000, while the sum is 56.

The spelling of 55055523351449 in words is "fifty-five trillion, fifty-five billion, five hundred twenty-three million, three hundred fifty-one thousand, four hundred forty-nine".