55564253417 has 2 divisors, whose sum is σ = 55564253418. Its totient is φ = 55564253416.

The previous prime is 55564253411. The next prime is 55564253419. The reversal of 55564253417 is 71435246555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49308867136 + 6255386281 = 222056^2 + 79091^2 .

It is a cyclic number.

It is not a de Polignac number, because 55564253417 - 2¹⁶ = 55564187881 is a prime.

Together with 55564253419, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55564253411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27782126708 + 27782126709.

It is an arithmetic number, because the mean of its divisors is an integer number (27782126709).

Almost surely, 2^55564253417 is an apocalyptic number.

It is an amenable number.

55564253417 is a deficient number, since it is larger than the sum of its proper divisors (1).

55564253417 is an equidigital number, since it uses as much as digits as its factorization.

55564253417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520000, while the sum is 47.

The spelling of 55564253417 in words is "fifty-five billion, five hundred sixty-four million, two hundred fifty-three thousand, four hundred seventeen".