55193598779 has 8 divisors (see below), whose sum is σ = 60368412672. Its totient is φ = 50044987240.

The previous prime is 55193598773. The next prime is 55193598787. The reversal of 55193598779 is 97789539155.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55193598779 - 2⁴ = 55193598763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55193598773) 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 in 7 ways as a sum of consecutive naturals, for example, 6546179 + ... + 6554604.

It is an arithmetic number, because the mean of its divisors is an integer number (7546051584).

Almost surely, 2^55193598779 is an apocalyptic number.

55193598779 is a deficient number, since it is larger than the sum of its proper divisors (5174813893).

55193598779 is a wasteful number, since it uses less digits than its factorization.

55193598779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13101177.

The product of its digits is 107163000, while the sum is 68.

The spelling of 55193598779 in words is "fifty-five billion, one hundred ninety-three million, five hundred ninety-eight thousand, seven hundred seventy-nine".