55336819679 has 4 divisors (see below), whose sum is σ = 55626541440. Its totient is φ = 55047097920.

The previous prime is 55336819639. The next prime is 55336819711. The reversal of 55336819679 is 97691863355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55336819679 - 2³² = 51041852383 is a prime.

It is a super-2 number, since 2×55336819679² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55336819639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144860594 + ... + 144860975.

It is an arithmetic number, because the mean of its divisors is an integer number (13906635360).

Almost surely, 2^55336819679 is an apocalyptic number.

55336819679 is a deficient number, since it is larger than the sum of its proper divisors (289721761).

55336819679 is a wasteful number, since it uses less digits than its factorization.

55336819679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289721760.

The product of its digits is 36741600, while the sum is 62.

The spelling of 55336819679 in words is "fifty-five billion, three hundred thirty-six million, eight hundred nineteen thousand, six hundred seventy-nine".