52521198 has 16 divisors (see below), whose sum is σ = 107024976. Its totient is φ = 17176640.

The previous prime is 52521197. The next prime is 52521199. The reversal of 52521198 is 89112525.

52521198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52521197) and next prime (52521199).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52521191) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 82263 + ... + 82898.

It is an arithmetic number, because the mean of its divisors is an integer number (6689061).

Almost surely, 2^52521198 is an apocalyptic number.

52521198 is an abundant number, since it is smaller than the sum of its proper divisors (54503778).

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

52521198 is a wasteful number, since it uses less digits than its factorization.

52521198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165219.

The product of its digits is 7200, while the sum is 33.

The square root of 52521198 is about 7247.1510264379. The cubic root of 52521198 is about 374.4940091246.

The spelling of 52521198 in words is "fifty-two million, five hundred twenty-one thousand, one hundred ninety-eight".