56440199 has 2 divisors, whose sum is σ = 56440200. Its totient is φ = 56440198.

The previous prime is 56440193. The next prime is 56440211. The reversal of 56440199 is 99104465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56440199 - 2¹⁶ = 56374663 is a prime.

It is a super-3 number, since 3×56440199³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56440193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28220099 + 28220100.

It is an arithmetic number, because the mean of its divisors is an integer number (28220100).

Almost surely, 2^56440199 is an apocalyptic number.

56440199 is a deficient number, since it is larger than the sum of its proper divisors (1).

56440199 is an equidigital number, since it uses as much as digits as its factorization.

56440199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 56440199 is about 7512.6692327028. The cubic root of 56440199 is about 383.5860860297.

The spelling of 56440199 in words is "fifty-six million, four hundred forty thousand, one hundred ninety-nine".