56785199 has 4 divisors (see below), whose sum is σ = 57747720. Its totient is φ = 55822680.

The previous prime is 56785193. The next prime is 56785213. The reversal of 56785199 is 99158765.

It is a happy number.

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 56785199 - 2²⁴ = 40007983 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 (56785193) 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, 481172 + ... + 481289.

It is an arithmetic number, because the mean of its divisors is an integer number (14436930).

Almost surely, 2^56785199 is an apocalyptic number.

56785199 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

56785199 is a deficient number, since it is larger than the sum of its proper divisors (962521).

56785199 is an equidigital number, since it uses as much as digits as its factorization.

56785199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962520.

The product of its digits is 680400, while the sum is 50.

The square root of 56785199 is about 7535.5954641952. The cubic root of 56785199 is about 384.3660765902.

The spelling of 56785199 in words is "fifty-six million, seven hundred eighty-five thousand, one hundred ninety-nine".