52199791 has 4 divisors (see below), whose sum is σ = 59656912. Its totient is φ = 44742672.

The previous prime is 52199789. The next prime is 52199867. The reversal of 52199791 is 19799125.

52199791 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 52199791 - 2¹ = 52199789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52199731) 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, 3728550 + ... + 3728563.

It is an arithmetic number, because the mean of its divisors is an integer number (14914228).

Almost surely, 2^52199791 is an apocalyptic number.

52199791 is a deficient number, since it is larger than the sum of its proper divisors (7457121).

52199791 is an equidigital number, since it uses as much as digits as its factorization.

52199791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7457120.

The product of its digits is 51030, while the sum is 43.

The square root of 52199791 is about 7224.9422835065. The cubic root of 52199791 is about 373.7285317811.

The spelling of 52199791 in words is "fifty-two million, one hundred ninety-nine thousand, seven hundred ninety-one".