55879437242769 has 32 divisors (see below), whose sum is σ = 85394920888320. Its totient is φ = 31839127322112.

The previous prime is 55879437242689. The next prime is 55879437242791. The reversal of 55879437242769 is 96724273497855.

It is not a de Polignac number, because 55879437242769 - 2¹⁹ = 55879436718481 is a prime.

It is a super-2 number, since 2×55879437242769² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55879437242694 and 55879437242703.

It is not an unprimeable number, because it can be changed into a prime (55879437240769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164985054 + ... + 165323400.

It is an arithmetic number, because the mean of its divisors is an integer number (2668591277760).

Almost surely, 2^{55879437242769} is an apocalyptic number.

It is an amenable number.

55879437242769 is a deficient number, since it is larger than the sum of its proper divisors (29515483645551).

55879437242769 is a wasteful number, since it uses less digits than its factorization.

55879437242769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360989.

The product of its digits is 6401203200, while the sum is 78.

The spelling of 55879437242769 in words is "fifty-five trillion, eight hundred seventy-nine billion, four hundred thirty-seven million, two hundred forty-two thousand, seven hundred sixty-nine".