55900198 has 8 divisors (see below), whose sum is σ = 84365208. Its totient is φ = 27778464.

The previous prime is 55900183. The next prime is 55900219. The reversal of 55900198 is 89100955.

55900198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 85411 + ... + 86062.

It is an arithmetic number, because the mean of its divisors is an integer number (10545651).

Almost surely, 2^55900198 is an apocalyptic number.

55900198 is a deficient number, since it is larger than the sum of its proper divisors (28465010).

55900198 is a wasteful number, since it uses less digits than its factorization.

55900198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171638.

The product of its (nonzero) digits is 16200, while the sum is 37.

The square root of 55900198 is about 7476.6434982551. The cubic root of 55900198 is about 382.3588224059.

The spelling of 55900198 in words is "fifty-five million, nine hundred thousand, one hundred ninety-eight".