52214144 has 16 divisors (see below), whose sum is σ = 104020620. Its totient is φ = 26107008.

The previous prime is 52214143. The next prime is 52214159. The reversal of 52214144 is 44141225.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52214143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203834 + ... + 204089.

Almost surely, 2^52214144 is an apocalyptic number.

It is an amenable number.

52214144 is a deficient number, since it is larger than the sum of its proper divisors (51806476).

52214144 is an equidigital number, since it uses as much as digits as its factorization.

52214144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407937 (or 407925 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 52214144 is about 7225.9355103682. The cubic root of 52214144 is about 373.7627824549.

Adding to 52214144 its reverse (44141225), we get a palindrome (96355369).

The spelling of 52214144 in words is "fifty-two million, two hundred fourteen thousand, one hundred forty-four".