55839198 has 16 divisors (see below), whose sum is σ = 114276096. Its totient is φ = 18180120.

The previous prime is 55839197. The next prime is 55839209. The reversal of 55839198 is 89193855.

55839198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55839191) 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 7 ways as a sum of consecutive naturals, for example, 107958 + ... + 108473.

It is an arithmetic number, because the mean of its divisors is an integer number (7142256).

Almost surely, 2^55839198 is an apocalyptic number.

55839198 is an abundant number, since it is smaller than the sum of its proper divisors (58436898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55839198 is a wasteful number, since it uses less digits than its factorization.

55839198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216479.

The product of its digits is 388800, while the sum is 48.

The square root of 55839198 is about 7472.5630141204. The cubic root of 55839198 is about 382.2196912515.

The spelling of 55839198 in words is "fifty-five million, eight hundred thirty-nine thousand, one hundred ninety-eight".