52217244 has 48 divisors (see below), whose sum is σ = 142508800. Its totient is φ = 16489008.

The previous prime is 52217239. The next prime is 52217261. The reversal of 52217244 is 44271225.

52217244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10672 + ... + 14775.

Almost surely, 2^52217244 is an apocalyptic number.

52217244 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

52217244 is an abundant number, since it is smaller than the sum of its proper divisors (90291556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52217244 is a wasteful number, since it uses less digits than its factorization.

52217244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25479 (or 25471 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 52217244 is about 7226.1500122818. The cubic root of 52217244 is about 373.7701791844.

Adding to 52217244 its reverse (44271225), we get a palindrome (96488469).

It can be divided in two parts, 522 and 17244, that added together give a triangular number (17766 = T₁₈₈).

The spelling of 52217244 in words is "fifty-two million, two hundred seventeen thousand, two hundred forty-four".