504553194 has 48 divisors (see below), whose sum is σ = 1135597320. Its totient is φ = 161710080.

The previous prime is 504553177. The next prime is 504553199. The reversal of 504553194 is 491355405.

It can be written as a sum of positive squares in 4 ways, for example, as 501536025 + 3017169 = 22395^2 + 1737^2 .

It is not an unprimeable number, because it can be changed into a prime (504553199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132274 + ... + 136034.

Almost surely, 2^504553194 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 504553194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (567798660).

504553194 is an abundant number, since it is smaller than the sum of its proper divisors (631044126).

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

504553194 is a wasteful number, since it uses less digits than its factorization.

504553194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055 (or 4052 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 504553194 is about 22462.2615513220. The cubic root of 504553194 is about 796.1024978910.

The spelling of 504553194 in words is "five hundred four million, five hundred fifty-three thousand, one hundred ninety-four".