52021016603 has 8 divisors (see below), whose sum is σ = 53460090096. Its totient is φ = 50590051200.

The previous prime is 52021016591. The next prime is 52021016609. The reversal of 52021016603 is 30661012025.

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

It is a cyclic number.

It is not a de Polignac number, because 52021016603 - 2⁸ = 52021016347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52021016609) 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 7 ways as a sum of consecutive naturals, for example, 2014013 + ... + 2039678.

It is an arithmetic number, because the mean of its divisors is an integer number (6682511262).

Almost surely, 2^52021016603 is an apocalyptic number.

52021016603 is a deficient number, since it is larger than the sum of its proper divisors (1439073493).

52021016603 is a wasteful number, since it uses less digits than its factorization.

52021016603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4054045.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 52021016603 its reverse (30661012025), we get a palindrome (82682028628).

The spelling of 52021016603 in words is "fifty-two billion, twenty-one million, sixteen thousand, six hundred three".