52521799 has 4 divisors (see below), whose sum is σ = 57296520. Its totient is φ = 47747080.

The previous prime is 52521797. The next prime is 52521803. The reversal of 52521799 is 99712525.

52521799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52521799 - 2¹ = 52521797 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52521797) 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 3 ways as a sum of consecutive naturals, for example, 2387344 + ... + 2387365.

It is an arithmetic number, because the mean of its divisors is an integer number (14324130).

Almost surely, 2^52521799 is an apocalyptic number.

52521799 is a deficient number, since it is larger than the sum of its proper divisors (4774721).

52521799 is a wasteful number, since it uses less digits than its factorization.

52521799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774720.

The product of its digits is 56700, while the sum is 40.

The square root of 52521799 is about 7247.1924908891. The cubic root of 52521799 is about 374.4954375640.

The spelling of 52521799 in words is "fifty-two million, five hundred twenty-one thousand, seven hundred ninety-nine".