55765612198 has 8 divisors (see below), whose sum is σ = 83783554920. Its totient is φ = 27837760560.

The previous prime is 55765612181. The next prime is 55765612247. The reversal of 55765612198 is 89121656755.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22521223 + ... + 22523698.

It is an arithmetic number, because the mean of its divisors is an integer number (10472944365).

Almost surely, 2^55765612198 is an apocalyptic number.

55765612198 is a deficient number, since it is larger than the sum of its proper divisors (28017942722).

55765612198 is a wasteful number, since it uses less digits than its factorization.

55765612198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45045542.

The product of its digits is 4536000, while the sum is 55.

The spelling of 55765612198 in words is "fifty-five billion, seven hundred sixty-five million, six hundred twelve thousand, one hundred ninety-eight".