55350198 has 24 divisors (see below), whose sum is σ = 126980568. Its totient is φ = 17364672.

The previous prime is 55350131. The next prime is 55350209. The reversal of 55350198 is 89105355.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90136 + ... + 90747.

It is an arithmetic number, because the mean of its divisors is an integer number (5290857).

Almost surely, 2^55350198 is an apocalyptic number.

55350198 is an abundant number, since it is smaller than the sum of its proper divisors (71630370).

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

55350198 is a wasteful number, since it uses less digits than its factorization.

55350198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180908 (or 180905 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 55350198 is about 7439.7713674548. The cubic root of 55350198 is about 381.1006822597.

The spelling of 55350198 in words is "fifty-five million, three hundred fifty thousand, one hundred ninety-eight".