198053544 has 64 divisors (see below), whose sum is σ = 550448640. Its totient is φ = 58970880.

The previous prime is 198053539. The next prime is 198053623. The reversal of 198053544 is 445350891.

198053544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567 + ... + 19910.

It is an arithmetic number, because the mean of its divisors is an integer number (8600760).

Almost surely, 2^198053544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198053544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275224320).

198053544 is an abundant number, since it is smaller than the sum of its proper divisors (352395096).

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

198053544 is a wasteful number, since it uses less digits than its factorization.

198053544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20530 (or 20526 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 198053544 is about 14073.1497540529. The cubic root of 198053544 is about 582.9002023030.

The spelling of 198053544 in words is "one hundred ninety-eight million, fifty-three thousand, five hundred forty-four".