53311344 has 40 divisors (see below), whose sum is σ = 139669632. Its totient is φ = 17519040.

The previous prime is 53311259. The next prime is 53311373. The reversal of 53311344 is 44311335.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4414 + ... + 11229.

Almost surely, 2^53311344 is an apocalyptic number.

It is an amenable number.

53311344 is an abundant number, since it is smaller than the sum of its proper divisors (86358288).

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

53311344 is a wasteful number, since it uses less digits than its factorization.

53311344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15725 (or 15719 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 53311344 is about 7301.4617714537. The cubic root of 53311344 is about 376.3626725538.

Adding to 53311344 its reverse (44311335), we get a palindrome (97622679).

Subtracting from 53311344 its reverse (44311335), we obtain a palindrome (9000009).

The spelling of 53311344 in words is "fifty-three million, three hundred eleven thousand, three hundred forty-four".