55564253419 has 2 divisors, whose sum is σ = 55564253420. Its totient is φ = 55564253418.

The previous prime is 55564253417. The next prime is 55564253513. The reversal of 55564253419 is 91435246555.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55564253419 - 2¹ = 55564253417 is a prime.

It is a super-2 number, since 2×55564253419² (a number of 22 digits) contains 22 as substring.

Together with 55564253417, it forms a pair of twin primes.

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

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27782126709 + 27782126710.

It is an arithmetic number, because the mean of its divisors is an integer number (27782126710).

Almost surely, 2^55564253419 is an apocalyptic number.

55564253419 is a deficient number, since it is larger than the sum of its proper divisors (1).

55564253419 is an equidigital number, since it uses as much as digits as its factorization.

55564253419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240000, while the sum is 49.

The spelling of 55564253419 in words is "fifty-five billion, five hundred sixty-four million, two hundred fifty-three thousand, four hundred nineteen".