52208549 has 4 divisors (see below), whose sum is σ = 52223340. Its totient is φ = 52193760.

The previous prime is 52208531. The next prime is 52208567. The reversal of 52208549 is 94580225.

It is a happy number.

52208549 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, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (52208531) and next prime (52208567).

It can be written as a sum of positive squares in 2 ways, for example, as 37332100 + 14876449 = 6110^2 + 3857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52208549 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52208509) 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, 1337 + ... + 10305.

It is an arithmetic number, because the mean of its divisors is an integer number (13055835).

Almost surely, 2^52208549 is an apocalyptic number.

It is an amenable number.

52208549 is a deficient number, since it is larger than the sum of its proper divisors (14791).

52208549 is an equidigital number, since it uses as much as digits as its factorization.

52208549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14790.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 52208549 is about 7225.5483528934. The cubic root of 52208549 is about 373.7494318101.

The spelling of 52208549 in words is "fifty-two million, two hundred eight thousand, five hundred forty-nine".