53433344 has 22 divisors (see below), whose sum is σ = 106816554. Its totient is φ = 26716160.

The previous prime is 53433319. The next prime is 53433349. The reversal of 53433344 is 44333435.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 35046400 + 18386944 = 5920^2 + 4288^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53433349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25067 + ... + 27114.

Almost surely, 2^53433344 is an apocalyptic number.

It is an amenable number.

53433344 is a deficient number, since it is larger than the sum of its proper divisors (53383210).

53433344 is an equidigital number, since it uses as much as digits as its factorization.

53433344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52201 (or 52183 counting only the distinct ones).

The product of its digits is 25920, while the sum is 29.

The square root of 53433344 is about 7309.8114886774. The cubic root of 53433344 is about 376.6495487387.

Adding to 53433344 its reverse (44333435), we get a palindrome (97766779).

Subtracting from 53433344 its reverse (44333435), we obtain a palindrome (9099909).

The spelling of 53433344 in words is "fifty-three million, four hundred thirty-three thousand, three hundred forty-four".