52009816 has 16 divisors (see below), whose sum is σ = 100664640. Its totient is φ = 25165920.

The previous prime is 52009813. The next prime is 52009819. The reversal of 52009816 is 61890025.

52009816 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 (52009813) and next prime (52009819).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52009813) 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, 104611 + ... + 105106.

It is an arithmetic number, because the mean of its divisors is an integer number (6291540).

Almost surely, 2^52009816 is an apocalyptic number.

It is an amenable number.

52009816 is a deficient number, since it is larger than the sum of its proper divisors (48654824).

52009816 is a wasteful number, since it uses less digits than its factorization.

52009816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209754 (or 209750 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 52009816 is about 7211.7831359519. The cubic root of 52009816 is about 373.2746003127.

It can be divided in two parts, 52009 and 816, that added together give a palindrome (52825).

The spelling of 52009816 in words is "fifty-two million, nine thousand, eight hundred sixteen".