55556207099 has 8 divisors (see below), whose sum is σ = 55629984000. Its totient is φ = 55482469992.

The previous prime is 55556207089. The next prime is 55556207143. The reversal of 55556207099 is 99070265555.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55556207099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55556207099.

It is not an unprimeable number, because it can be changed into a prime (55556207059) 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, 3618962 + ... + 3634280.

It is an arithmetic number, because the mean of its divisors is an integer number (6953748000).

Almost surely, 2^55556207099 is an apocalyptic number.

55556207099 is a deficient number, since it is larger than the sum of its proper divisors (73776901).

55556207099 is a wasteful number, since it uses less digits than its factorization.

55556207099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19897.

The product of its (nonzero) digits is 4252500, while the sum is 53.

The spelling of 55556207099 in words is "fifty-five billion, five hundred fifty-six million, two hundred seven thousand, ninety-nine".