52249817 has 4 divisors (see below), whose sum is σ = 52264320. Its totient is φ = 52235316.

The previous prime is 52249807. The next prime is 52249831. The reversal of 52249817 is 71894225.

52249817 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 Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52249817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52249807) 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, 2768 + ... + 10590.

It is an arithmetic number, because the mean of its divisors is an integer number (13066080).

Almost surely, 2^52249817 is an apocalyptic number.

It is an amenable number.

52249817 is a deficient number, since it is larger than the sum of its proper divisors (14503).

52249817 is an equidigital number, since it uses as much as digits as its factorization.

52249817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14502.

The product of its digits is 40320, while the sum is 38.

The square root of 52249817 is about 7228.4034890147. The cubic root of 52249817 is about 373.8478820302.

The spelling of 52249817 in words is "fifty-two million, two hundred forty-nine thousand, eight hundred seventeen".