554418198 has 36 divisors (see below), whose sum is σ = 1241277804. Its totient is φ = 178839000.

The previous prime is 554418181. The next prime is 554418199. The reversal of 554418198 is 891814455.

It is a happy number.

554418198 is a `hidden beast` number, since 5 + 544 + 18 + 1 + 98 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554418199) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1273 + ... + 33323.

It is an arithmetic number, because the mean of its divisors is an integer number (34479939).

Almost surely, 2^554418198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 554418198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (620638902).

554418198 is an abundant number, since it is smaller than the sum of its proper divisors (686859606).

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

554418198 is a wasteful number, since it uses less digits than its factorization.

554418198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32121 (or 32087 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 554418198 is about 23546.0866812301. The cubic root of 554418198 is about 821.5093151904.

The spelling of 554418198 in words is "five hundred fifty-four million, four hundred eighteen thousand, one hundred ninety-eight".