55740199 has 4 divisors (see below), whose sum is σ = 55883880. Its totient is φ = 55596520.

The previous prime is 55740193. The next prime is 55740211. The reversal of 55740199 is 99104755.

55740199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99104755 = 5 ⋅19820951.

It is a cyclic number.

It is not a de Polignac number, because 55740199 - 2⁷ = 55740071 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55740193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71257 + ... + 72034.

It is an arithmetic number, because the mean of its divisors is an integer number (13970970).

Almost surely, 2^55740199 is an apocalyptic number.

55740199 is a deficient number, since it is larger than the sum of its proper divisors (143681).

55740199 is a wasteful number, since it uses less digits than its factorization.

55740199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143680.

The product of its (nonzero) digits is 56700, while the sum is 40.

The square root of 55740199 is about 7465.9359091811. The cubic root of 55740199 is about 381.9936746849.

The spelling of 55740199 in words is "fifty-five million, seven hundred forty thousand, one hundred ninety-nine".