55116199 has 4 divisors (see below), whose sum is σ = 56605864. Its totient is φ = 53626536.

The previous prime is 55116197. The next prime is 55116203. The reversal of 55116199 is 99161155.

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 55116199 - 2¹ = 55116197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 1489627 = 55116199 / (5 + 5 + 1 + 1 + 6 + 1 + 9 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55116197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744777 + ... + 744850.

It is an arithmetic number, because the mean of its divisors is an integer number (14151466).

Almost surely, 2^55116199 is an apocalyptic number.

55116199 is a deficient number, since it is larger than the sum of its proper divisors (1489665).

55116199 is a wasteful number, since it uses less digits than its factorization.

55116199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489664.

The product of its digits is 12150, while the sum is 37.

The square root of 55116199 is about 7424.0284886307. The cubic root of 55116199 is about 380.5628754314.

The spelling of 55116199 in words is "fifty-five million, one hundred sixteen thousand, one hundred ninety-nine".