53324442 has 48 divisors (see below), whose sum is σ = 121500288. Its totient is φ = 16869600.

The previous prime is 53324441. The next prime is 53324443. The reversal of 53324442 is 24442335.

It is an interprime number because it is at equal distance from previous prime (53324441) and next prime (53324443).

It is a super-2 number, since 2×53324442² = 5686992229222728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53324441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62088 + ... + 62940.

It is an arithmetic number, because the mean of its divisors is an integer number (2531256).

Almost surely, 2^53324442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53324442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60750144).

53324442 is an abundant number, since it is smaller than the sum of its proper divisors (68175846).

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

53324442 is a wasteful number, since it uses less digits than its factorization.

53324442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1032 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 53324442 is about 7302.3586600495. The cubic root of 53324442 is about 376.3934927274.

Adding to 53324442 its reverse (24442335), we get a palindrome (77766777).

The spelling of 53324442 in words is "fifty-three million, three hundred twenty-four thousand, four hundred forty-two".