52816649 has 8 divisors (see below), whose sum is σ = 54774720. Its totient is φ = 50886576.

The previous prime is 52816639. The next prime is 52816661. The reversal of 52816649 is 94661825.

It is a happy number.

52816649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52816649 - 2¹² = 52812553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52816609) 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, 3119 + ... + 10740.

It is an arithmetic number, because the mean of its divisors is an integer number (6846840).

Almost surely, 2^52816649 is an apocalyptic number.

It is an amenable number.

52816649 is a deficient number, since it is larger than the sum of its proper divisors (1958071).

52816649 is a wasteful number, since it uses less digits than its factorization.

52816649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13999.

The product of its digits is 103680, while the sum is 41.

The square root of 52816649 is about 7267.5063811461. The cubic root of 52816649 is about 375.1949185190.

The spelling of 52816649 in words is "fifty-two million, eight hundred sixteen thousand, six hundred forty-nine".