56117199 has 4 divisors (see below), whose sum is σ = 74822936. Its totient is φ = 37411464.

The previous prime is 56117189. The next prime is 56117209. The reversal of 56117199 is 99171165.

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

It is an interprime number because it is at equal distance from previous prime (56117189) and next prime (56117209).

It is not a de Polignac number, because 56117199 - 2⁴ = 56117183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56117189) 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, 9352864 + ... + 9352869.

It is an arithmetic number, because the mean of its divisors is an integer number (18705734).

Almost surely, 2^56117199 is an apocalyptic number.

56117199 is a deficient number, since it is larger than the sum of its proper divisors (18705737).

56117199 is a wasteful number, since it uses less digits than its factorization.

56117199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18705736.

The product of its digits is 17010, while the sum is 39.

The square root of 56117199 is about 7491.1413683096. The cubic root of 56117199 is about 382.8529477484.

It can be divided in two parts, 561171 and 99, that added together give a triangular number (561270 = T₁₀₅₉).

The spelling of 56117199 in words is "fifty-six million, one hundred seventeen thousand, one hundred ninety-nine".