55192238 has 4 divisors (see below), whose sum is σ = 82788360. Its totient is φ = 27596118.

The previous prime is 55192223. The next prime is 55192309. The reversal of 55192238 is 83229155.

55192238 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: 83229155 = 5 ⋅16645831.

It is a junction number, because it is equal to n+sod(n) for n = 55192198 and 55192207.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13798058 + ... + 13798061.

It is an arithmetic number, because the mean of its divisors is an integer number (20697090).

Almost surely, 2^55192238 is an apocalyptic number.

55192238 is a deficient number, since it is larger than the sum of its proper divisors (27596122).

55192238 is a wasteful number, since it uses less digits than its factorization.

55192238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27596121.

The product of its digits is 21600, while the sum is 35.

The square root of 55192238 is about 7429.1478649977. The cubic root of 55192238 is about 380.7378047845.

The spelling of 55192238 in words is "fifty-five million, one hundred ninety-two thousand, two hundred thirty-eight".