55317233202449 has 2 divisors, whose sum is σ = 55317233202450. Its totient is φ = 55317233202448.

The previous prime is 55317233202421. The next prime is 55317233202481. The reversal of 55317233202449 is 94420233271355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47800533646849 + 7516699555600 = 6913793^2 + 2741660^2 .

It is a cyclic number.

It is not a de Polignac number, because 55317233202449 - 2²⁸ = 55316964766993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55317233202397 and 55317233202406.

It is not a weakly prime, because it can be changed into another prime (55317233202419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27658616601224 + 27658616601225.

It is an arithmetic number, because the mean of its divisors is an integer number (27658616601225).

Almost surely, 2^{55317233202449} is an apocalyptic number.

It is an amenable number.

55317233202449 is a deficient number, since it is larger than the sum of its proper divisors (1).

55317233202449 is an equidigital number, since it uses as much as digits as its factorization.

55317233202449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 50.

The spelling of 55317233202449 in words is "fifty-five trillion, three hundred seventeen billion, two hundred thirty-three million, two hundred two thousand, four hundred forty-nine".