55320335879 has 2 divisors, whose sum is σ = 55320335880. Its totient is φ = 55320335878.

The previous prime is 55320335843. The next prime is 55320335887. The reversal of 55320335879 is 97853302355.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55320335879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55320335809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27660167939 + 27660167940.

It is an arithmetic number, because the mean of its divisors is an integer number (27660167940).

Almost surely, 2^55320335879 is an apocalyptic number.

55320335879 is a deficient number, since it is larger than the sum of its proper divisors (1).

55320335879 is an equidigital number, since it uses as much as digits as its factorization.

55320335879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402000, while the sum is 50.

The spelling of 55320335879 in words is "fifty-five billion, three hundred twenty million, three hundred thirty-five thousand, eight hundred seventy-nine".